21. Niels Henrik Abel Niels Henrik Abel (1929, Michel 150153). Born 5 Aug 1802 in Frindoe,Norway Died 6 April 1829 in Froland, Norway. Norwegian mathematician http://fizjlk.fic.uni.lodz.pl/rut/Stamps/Intro/Abel.htm

Niels Henrik Abel (1929, Michel 150-153) Born: 5 Aug 1802 in Frindoe, Norway Died: 6 April 1829 in Froland, Norway Norwegian mathematician who accomplished an amazing amount of brilliant work in his short lifetime that rank him as one of the greatest mathematicians of the 19th century. At the age of 16, Abel investigated generalization of the binomial theorem for all numbers. A student at the Univ. of Christiania (Oslo), he gave a proof of the impossiblity of representing a solution of a general equation of fifth degree or higher by a radical expression. To do this, he invented (independently of Galois) an extremely important branch of mathematics known as group theory, which is invaluable not only in many areas of mathematics, but for much of physics as well. Commutative groups are also called Abelian groups in his honor. Among his other accomplishments, Abel pioneered in the general theory of elliptic functions, and showed that elliptic functions are a generalization of trigonometric ones. More biography ...

22. Abel Matem¡tico noruego (1802 1829). http://www.mat.usach.cl/histmat/html/abel.html

Abel, Niels Henrik Nació : 5 de Agosto de 1802 en Finnoy (una isla cerca de Stavanger) Noruega Falleció : 16 de Abril de 1829 en Froland, Noruega Niels Abel probó la imposibilidad de resolver algebraicamente ecuaciones de quinto grado. La vida de Abel estuvo dominada por la pobreza. Después de muerto su padre, quien era un ministro protestante, Abel tuvo que asumir la responsabilidad de mantener a su madre y familia, en 1820. El profesor de Abel, Holmboe, reconoció su talento para las matemáticas, debido a su falta de dinero para asistir a una colegiatura para ingresar a la universidad de Christiania, ingresó a la universidad en 1821, diez años después de que la universidad fuera fundada, y se graduó en 1822. Abel publicó en 1823 escritos de ecuaciones funcionales e integrales . En esto Abel dio la primera solución de una ecuación integral. En 1824 probó que era imposible resolver algebraicamente ecuaciones de quinto grado y de su propio costo realizó publicaciones con la esperanza de obtener reconocimiento por su trabajo. Eventualmente ganó un premio de escolaridad del gobierno para viajar al extranjero, visitó Alemania y Francia.

23. Abel, Niels Henrik (1802-1829) -- From Eric Weisstein's World Of Scientific Biog abel, niels henrik (18021829), 307-326, 1986. Ore, Ø. niels henrik abel, MathematicianExtraordinary. New York Chelsea, 1957. © Eric W. Weisstein. http://scienceworld.wolfram.com/biography/Abel.html

Branch of Science Mathematicians Nationality Norwegian Abel, Niels Henrik (1802-1829) Norwegian mathematician who accomplished an amazing amount of brilliant work in his short lifetime. Abel was born on August 5, 1802 in the small village of Findoe, Norway, where his father was minister in the diocese of Christiansand. Abel's life was spent in poverty, caused by the large size of his family (he had six brothers and his father died when he was only eighteen) and the difficult economic situation in Norway at that time. Abel died of tuberculosis at the age of 26 after being forced to live in miserable conditions because of his inability to obtain a university post. At the age of 16, Abel gave a proof of the binomial theorem valid for all numbers, extending Euler's result which had only held for rationals At age 19, he showed there is no general algebraic solution for the roots of a quintic equation or any general polynomial equation of degree greater than four, in terms of explicit algebraic operations. To do this, he invented (independently of Galois ) an extremely important branch of mathematics known as group theory which is invaluable not only in many areas of mathematics, but for much of physics as well. Among his other accomplishments, Abel wrote a monumental work on

24. 10.1. Abel, Niels (1802-1829) abel, niels (18021829) IRA. niels abel was one of the innovators in the field of elliptic functions, discoverer of abelian functions and one of the leaders in the use of rigor in mathematics. niels henrik abel was born to a Lutheran minister in Finnoy, Norway, on August 5, 1802 Ore, Oystein. " abel, niels henrik." Dictionary of Scientific Biography http://www.shu.edu/projects/reals/history/abel.html

10.1. Abel, Niels (1802-1829) IRA Niels Abel was one of the innovators in the field of elliptic functions, discoverer of Abelian functions and one of the leaders in the use of rigor in mathematics. His work was so revolutionary that one mathematician stated: "He has left mathematicians something to keep them busy for five hundred years." However, his life did not mirror his mathematical success and his story is one of the most tragic in the sciences. Abel's first main contribution to mathematics came before entering college. For hundreds of years, mathematicians had searched in vain to discover the general solution for the quintic equation a x + b x + c x + d x + e x + f = . Abel developed what he thought was the answer. Holmboe and Hansteen knew there was no one in Norway with the ability to understand if the answer was correct, so they sent the paper to the mathematician Ferdinand Degen in Denmark. Before receiving an answer, Abel discovered a mistake in his figures and questioned if there was an answer. Taking the tract that there was not, he eventually proved that an algebraic solution to the quintic equation was impossible. More important, however, Degen suggested that Abel take up the subject of elliptic integrals, which would become the focus of his work and the source of his fame. Before entering the University of Oslo in 1821, Abel's father died, leaving his son to support his mother and six siblings. Unable to meet his financial needs, he relied on grants from the university, gifts from his math professors and tutoring positions to keep his family afloat. However, his mathematics flourished. After fulfilling the requirements for graduation in one year, he was left on his own to study. In 1823, he published his first important paper on definite integrals, which included the first ever solutions of an integral equation. He also produced another valuable work on the integration of functions. Both of these works would have brought him instant renown and a professorship if anyone would have read them. Unfortunately, the works were written in Norwegian while the leading mathematicians of Europe wrote in French and German. The papers were ignored.

25. ABELSENTERETS OFFISIELLE HJEMMESIDE Ideell stiftelse i Gjerstad, Aust Agder, som skal tilby etter og videreutdanning av l¦rere og forskere, forskning og publisering og niels henrik abel museum. http://www.abel.org/

ABELSENTERET NIELS HENRIK ABEL SENTER FOR MATEMATIKK OG NATURVITENSKAP NIELS HENRIK ABEL SENTER FOR MATEMATIKK OG NATURVITENSKAP ER NÅ I FERD MED Å BYGGES I GJERSTAD I AUST AGDER - HJEMSTEDET TIL DEN VERDENSBERØMTE MATEMATIKEREN ABELSENTERET SKAL REISES I NÆR TILKNYTNING TIL HOLMEN GÅRD - ET NASJONALT KURSSENTER FOR NORSK HUSFLID AbelSenteret vil ha følgende aktiviteter, tilbud og utstillinger, i samarbeid med forskere, universiteter og høyskoler: Etter- og videreutdanning av lærere og forskere innen matematikk, biologi og informasjonsvitenskap. Internasjonalt kurs- og møtested for matematikk og naturvitenskap Niels Henrik Abel museum, faglige univers og etnomatematikk, samt informasjonsutstilling om grunnforskning, norsk realfaglig vitenskapshistorie og vitenskapsfilosofi Forskning og publisering innenfor naturvitenskap, matematikk og informasjonsvitenskap. Et interaktivt informasjonssenter omkring økologi og miljøproblemer i tillegg til et moderne mediaverksted med fokus på humaniora og samfunn Niels Henrik Abel Senter for Matematikk og Naturvitenskap er en ideell stiftelse i Gjerstad, Aust Agder

26. Nieles Henrik Abel - Mennesket Og Matematikken. In Norwegian Artikkel skrevet av Steinar Thorvaldsen ved H¸gskolen i Troms¸. http://www.afl.hitos.no/mahist/abel/

Niels Henrik Abel - mennesket og matematikken Av Steinar Thorvaldsen, e-post: steinar@hitos.no Abels Hus Likningsteorien, teorien om elliptiske funksjoner , og teorien for uendelige rekker Bakgrunn Skolegang og studier i Oslo Bernt Mikael Holmboe Christopher Hansteen Integration af differentialformler Femtegradslikningen x + a x + a x + a x +a x +a som et uttrykk i koeffisientene a , a , a , a og a Ferdinand Degen de elliptiske transcendenter Carl F. Gauss hvorledes Evariste Galois abelsk gruppe. Elliptiske funksjoner De velkjente trigonometriske funksjonene sinus og cosinus omvendte to uavhengige perioder , noe som viser litt av slektskapet med de trigonometriske funksjonene. Integraler av generelle algebraiske funksjoner og elliptiske funksjoner var noe som Abel jobbet mye med. Han Abels addisjonsteorem "...han har gjort alle utviklinger med eleganse og skarphet" Carl G.J. Jacobi Den store Europaturen August L. Crelle "Crelle's Journal" Abel leverte inn sin store avhandling om transcendente funksjoner til Akademiet i Paris, men Cauchy Uendelige rekker n n n I samme brev skrev Abel: sin x - 1/2 sin 2x + 1/3 sin 3x - 1/4 sin 4x + 1/5 sin 5x - ....

27. KappAbel - Hovedside Matematikkonkurranse for norske niendeklassinger. Konkurransen er kalt opp etter den norske matematikeren niels henrik abel. http://www.kappabel.com/

This page in English Årets konkurranse Ukens nøtt Tidligere oppgaver ... Nyttige lenker KappAbel N-4827 FROLANDS VERK Tel. +47 - 37 03 73 14 roald.buvig kappabel.com Antall treff siden 1. nov. 2000 KappAbel 2003 / 2004 DK SE FI IS ... Nasjonale semifinaler og finaler 26. og 27. april 2004 Premievinnerne i 2. runde avsløres HER Hvorfor ikke prøve å løse UKENS NØTT når du allikevel er inne på siden? KappAbel - den nordiske matematikk-konkurransen for skoleklasser KappAbel er en matematikk-konkurranse for skoleklasser i de nordiske landene. Norge og Island: 9. klassetrinn Danmark, Finland og Sverige: 8. klassetrinn Konkurransen arrangeres som et samarbeid mellom Froland kommune og NTNU , Trondheim. 2 innledende runder avvikles via internett. De som går videre til semifinalen (se konkurranseregler ), leverer et prosjektarbeid som utgjør 50% av bedømmelsen i semifinalen. De tre beste lagene i semifinalen går videre til nasjonal finale, som finner sted dagen etter semifinalen. I Norge finner semifinale og finale sted i Froland og Arendal i april måned.

28. Niels Henrik Abel Linkpage niels henrik abel A Short but Influential Life Institute of the Technical University of Budapest. abel, niels henrik . From Eric's Treasure Troves of Science website http://www.mnc.net/norway/abel.htm

Niels Henrik Abel: A Short but Influential Life Niels Henrik Abel Abel, Niels Niels Henrik Abe ... l To return to the main page, click below:

29. Abel Biography of niels abel (18021829) niels henrik abel. Born 5 Aug 1802 in Frindoe (near Stavanger), Norway niels abel's life was dominated by poverty and we begin by putting this in context http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Abel.html

Niels Henrik Abel Born: 5 Aug 1802 in Frindoe (near Stavanger), Norway Died: 6 April 1829 in Froland, Norway Click the picture above to see four larger pictures Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Niels Abel 's life was dominated by poverty and we begin by putting this in context by looking briefly at the political problems which led to economic problems in Norway. At the end of the 18 th century Norway was part of Denmark and the Danish tried to remain neutral through the Napoleonic wars. However a neutrality treaty in 1794 was considered a aggressive act by England and, in 1801, the English fleet destroyed most of the Danish fleet in a battle in the harbour at Copenhagen. Despite this Denmark-Norway avoided wars until 1807 when England feared that the Danish fleet might be used by the French to invade. Using the philosophy that attack is the best form of defence, the English attacked and captured the whole Danish fleet in October 1807. Denmark then joined the alliance against England. The continental powers blockaded England, and as a counter to this England blockaded Norway. The twin blockade was a catastrophe to Norway preventing their timber exports, which had been largely to Britain, and preventing their grain imports from Denmark. An economic crisis in Norway followed with the people suffering hunger and extreme poverty. In 1813 Sweden attacked Denmark from the south and, at the treaty of Kiel in January 1814, Denmark handed over Norway to Sweden. An attempt at independence by Norway a few months later led to Sweden attacking Norway in July 1814. Sweden gained control of Norway, setting up a complete internal self-government for Norway with a government in Christiania (which is called Oslo today). In this difficult time Abel was growing up in Gjerstad in south-east Norway.

30. Abel Norwegian mathematician. Worked on elliptic functions and integrals, algebraic solution of equations and solubility by radicals. http://www-history.mcs.st-andrews.ac.uk/history/Mathematicians/Abel.html

Niels Henrik Abel Born: 5 Aug 1802 in Frindoe (near Stavanger), Norway Died: 6 April 1829 in Froland, Norway Click the picture above to see four larger pictures Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Niels Abel 's life was dominated by poverty and we begin by putting this in context by looking briefly at the political problems which led to economic problems in Norway. At the end of the 18 th century Norway was part of Denmark and the Danish tried to remain neutral through the Napoleonic wars. However a neutrality treaty in 1794 was considered a aggressive act by England and, in 1801, the English fleet destroyed most of the Danish fleet in a battle in the harbour at Copenhagen. Despite this Denmark-Norway avoided wars until 1807 when England feared that the Danish fleet might be used by the French to invade. Using the philosophy that attack is the best form of defence, the English attacked and captured the whole Danish fleet in October 1807. Denmark then joined the alliance against England. The continental powers blockaded England, and as a counter to this England blockaded Norway. The twin blockade was a catastrophe to Norway preventing their timber exports, which had been largely to Britain, and preventing their grain imports from Denmark. An economic crisis in Norway followed with the people suffering hunger and extreme poverty. In 1813 Sweden attacked Denmark from the south and, at the treaty of Kiel in January 1814, Denmark handed over Norway to Sweden. An attempt at independence by Norway a few months later led to Sweden attacking Norway in July 1814. Sweden gained control of Norway, setting up a complete internal self-government for Norway with a government in Christiania (which is called Oslo today). In this difficult time Abel was growing up in Gjerstad in south-east Norway.

31. The Norwegian Mathematical Olympiad About the abelcontest. The niels henrik abel mathematical contest started in1980 as a contest in mathematical problem solving for high school pupils. http://www.math.uio.no/div/abelkonkurransen/

The Norwegian Matematical Olympiad About the Abel-contest Organizers Problems About Niels Henrik Abel ... Book of problems 1989-97 (in Norwegian) Niels Henrik Abels matematikk-konkurranse Om Abel-konkurransen Oppgaver Om Niels Henrik Abel Oppgavesamling for 1989-97 About the Abel-contest The Niels Henrik Abel mathematical contest started in 1980 as a contest in mathematical problem solving for high school pupils. It was named after the world famous Norwegian mathematician Niels Henrik Abel who proved that the polynomial equation of degree five may not be solved using addition, subtraction, multiplication, division, and roots. Today, the contest consists of two rounds before the final. (The second round before the final was introduced in 1994-95. Before that, there was only one round before the final.) In the first round, the contestants are given 20 multiple choice problems, each with 5 choices. These are to be answered within 100 minutes. There is given 5 points per correct answer, 1 point per unanswered problem, and no points for false answers. Hence, if answers are picked at random, the expected score will be the same as if unanswered: 20 points. Tha maximum score is 100. The best 10% procede to the second round. Here, 10 problems are to be solved within 100 minutes. The answer to each problem is a 3-digit integer (0-999). 10 points are awarded for each correct answer, so that the maximum score is 100.

32. Abel, Niels Henrik abel, niels henrik 18021829, Norwegian mathematician. While a student at the Univ. of Christiania (Oslo) he did fundamental work on the integration of functional expressions and proved the abel, niels henrik. NeedMoreBeer.com. Free HTML Editor http://www.slider.com/enc/1000/Abel_Niels_Henrik.htm

33. Abel, Niels Henrik Pronunciation Key. abel, niels henrik , 180229, Norwegian mathematician prize in mathematics, to commemorate niels henrik abel. ( M2 Presswire)For Mathematics, abel = Nobel http://www.infoplease.com/ce6/people/A0802115.html

HOTWORDS CITE PRINT EMAIL in All Infoplease Almanacs Biographies Dictionary Encyclopedia Home Almanacs Atlas Dictionary ... D-Day Infoplease Tools Periodic Table Conversion Tool Perpetual Calendar Year by Year ... Site Map Also from Infoplease Search Infoplease Info search tips Search Biographies Bio search tips Encyclopedia Abel, Niels Henrik [n E u l] Pronunciation Key Abel, Niels Henrik , Norwegian mathematician. While a student at the Univ. of Christiania (Oslo) he did fundamental work on the integration of functional expressions and proved the impossiblity of representing a solution of a general equation of fifth degree or higher by a radical expression. He investigated generalizations of the binomial theorem, pioneered in the general theory of elliptic functions, and showed that elliptic functions are a generalization of trigonometric functions. Commutative groups are also called Abelian groups in his honor. He died of tuberculosis at the age of 26, leaving contributions that rank him as one of the greatest mathematicians of the 19th cent. See O. Ore

34. Abel, Niels Henrik abel, niels henrik (18021829). abel was the most famous Norwegian mathematician.He read works of Newton, d Alembert, Lagrange, Laplace http://occawlonline.pearsoned.com/bookbind/pubbooks/thomas_awl/chapter1/medialib

Abel, Niels Henrik (18021829) Abel was the most famous Norwegian mathematician. He read works of Newton d'Alembert Lagrange Laplace , and Euler and became motivated to study mathematics. He attended the University of Christiania and graduated in 1822. During his schooling, he began working on finding a general solution procedure for the roots of cubic equations. He published papers on solving algebraic and integral equations. In 1824, he proved the impossibility of solving general cubic equations. Abel traveled to Berlin and worked with Crelle, who published some of Abel's works and supported his research. Abel also traveled to Paris and met with Cauchy . Cauchy was not very receptive of Abel's work, so Abel returned to Norway. There he suffered from illness, poverty, and considerable personal debt. He died young and never realized the potential that he showed with his brilliant work on functions and solving equations.

35. Niels Henrik Abel Artikkel om niels henrik abel skrevet av H¥kon Fenstad. http://www.apollon.uio.no/apollon01-96/abel.html

Store framskritt i kort liv Det store nordiske tog Under hele sin reise hadde Abel bekymret seg over framtidsutsiktene til en fast stilling ved Det Kongelige Frederiks Universitet. Holmboe hadde overtatt Rasmussens stilling ved universitetet, og da Abel kom hjem, var det ingen stilling ledig. Litteratur: Niels Henrik Abel. Et geni og hans samtid. Gyldendal Norsk Forlag 1954 Bent Birkeland: Norske matematikere. Litt om deres liv og virke. Temahefte. Gyldendal Norsk Forlag/Norsk Matematisk Forening 1993

36. Abel, Niels Henrik Pronunciation Key. abel, niels henrik , 180229, Norwegian mathematician prize in mathematics, to commemorate niels henrik abel. ( M2 Presswire)For Mathematics, abel = Nobel http://www.infoplease.com/ce6/A0802115.html

HOTWORDS CITE PRINT EMAIL in All Infoplease Almanacs Biographies Dictionary Encyclopedia Home Almanacs Atlas Dictionary ... D-Day Infoplease Tools Periodic Table Conversion Tool Perpetual Calendar Year by Year ... Site Map Also from Infoplease Search Infoplease Info search tips Search Biographies Bio search tips Encyclopedia Abel, Niels Henrik [n E u l] Pronunciation Key Abel, Niels Henrik , Norwegian mathematician. While a student at the Univ. of Christiania (Oslo) he did fundamental work on the integration of functional expressions and proved the impossiblity of representing a solution of a general equation of fifth degree or higher by a radical expression. He investigated generalizations of the binomial theorem, pioneered in the general theory of elliptic functions, and showed that elliptic functions are a generalization of trigonometric functions. Commutative groups are also called Abelian groups in his honor. He died of tuberculosis at the age of 26, leaving contributions that rank him as one of the greatest mathematicians of the 19th cent. See O. Ore

37. Niels Henrik Abel --  Britannica Student Encyclopedia abel, niels henrik Britannica Student Encyclopedia. , abel, niels henrik(1802–29). The Norwegian mathematician niels henrik abel http://www.britannica.com/ebi/article?eu=294395&query=niels henrik abel&ct=ebi

38. En Av De Store Matematikere Artikkel om niels henrik abel skrevet av Nils A. Baas i anledning av at det var 200 ¥r siden abel ble f¸dt. http://www.dagbladet.no/kultur/2002/08/04/345089.html

mandag 31.05.2004 alle debatter nettduell nyheter sport ... magasinet Blink Vennetjeneste Noen som passer ...for meg. Litt lettere Vår nye vektklubb! Pluss db.no på mobil, tekstarkiv +++ Historier, bilder og annen mailhumor Pondus ... og flere tegneserier! BareSpill Gratis spill! Meninger/Debatt Rop ut! Foto Fotoalbum og bildebestilling Weblogg Dynamisk logg i lomma mobil Varsel, ringelyder, logoer +++ Norge og verden Sofaligaen Taktisk fotballspill laget Mitt drømmelag 2004. Bli med! Manager'04 Premier League-spillet TV-program 59 kanaler, SMS-varsel Kino Alle byer Snakk Trynefaktor Test deg selv Helt uformelt Bildeserier Bla i bilder fra hele verden! Nettskolen Torget Rubrikkannonser Nettradio NRK P1 P4 Norge Radio 1 Oslo NRJ - ENERGY Klem FM RadioAdressa Radio Tango NRK P2 NRK Petre NRK mPetre NRK Alltid Nyheter Radio 1 Bergen Radio 1 Trondheim Radio 1 Stavanger NRK Alltid Klassisk NRK Europakanalen NRK Sámi Radio NRK Stortinget Mer om nettradio Andre tjenester Siste 48t. Lommeavis WAP Lagrede artikler Dagens papiravis Lørdag m/Magasinet Nettredaktør nå: writemail('ged', 'dagbladet.no');

39. NIELS HENRIK ABEL - EN VERDENSMATEMATIKER FRA GJERSTAD abelSENTERET niels henrik abel SENTER FOR MATEMATIKK OG NATURVITENSKAP.niels henrik abel NORDENS STØRSTE MATEMATIKER. niels henrik http://www.abel.org/nhan.html

ABELSENTERET NIELS HENRIK ABEL SENTER FOR MATEMATIKK OG NATURVITENSKAP NIELS HENRIK ABEL NORDENS STØRSTE MATEMATIKER Niels Henrik Abel (1802 - 1829) er Norges, Nordens og en av de største matematikere som har levd. Niels Henrik Abels plass i matematikken er som Ibsens plass i litteraturen, Griegs innen musikken og Munchs innen malerkunsten. Han er derfor også Aust Agders internasjonalt mest kjente person gjennom historien. Livsverket hans ble skapt i løpet av et tiår i begynnelsen av 1800-tallet. Niels Henrik Abel døde av tuberkulose bare 26 ½ år gammel, men rakk likevel å forbause den matematiske verden med sin strigente vitenskapelige arbeidsmetode og sine avanserte matematiske ideer, hvorav mange fortsatt er aktuelle innen forskning og moderne teknologi. Det er derfor ikke utelukkende historiske forhold som er interessante rundt matematikeren Niels Henrik Abel, men også en stor grad av tidsmessig aktualitet. Den generøse og beskjedne Niels Henrik Abel Niels Henrik Abels forhold til Gjerstad og Aust Agder Niels Henrik Abel ble født på Finnøy (eller Nedstrand) i Rogaland 1802, og kom til Gjerstad ca 2 år gammel. Bestefaren, Hans Mathias Abel, flyttet som sogneprest til Gjerstad på nyåret 1785. Faren Søren Georg Abel var gjersdøling. Han ble sogneprest i Gjerstad i 1804, etter farens død.

40. Berühmte Mathematik: Mathematiker > Abel niels henrik abel wurde am 5. August 1802 auf Finnöy inSüdwestnorwegen als Sohn eines Landpastors geboren. Aufgrund http://finanz.math.tu-graz.ac.at/~predota/history/mathematiker/abel.html

Bitte schalten Sie JavaScript ein und laden Sie das Dokument neu ('reload')! Newton , d´Alembert und Lagrange zu studieren. Er bahnte sich den Weg zu zentralen Fragen mathematischer Forschung als Autodidakt. Schon bald begann Abel, eigene Untersuchungen anzustellen. Cauchy wurde beauftragt, ein Gutachten anzufertigen, doch war ihm die Arbeit Abels zu lange und er verlegte das Manuskript. Erst weit nach Abels Tod konnte durch eine offizielle diplomatische Aktion das Manuskript wiedergefunden werden. und Crelle, an der Berlin

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