Lev Pontryagin (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Lev Pontryagin" in Portuguese language version.

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2books.google.com

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1st-andrews.ac.uk

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books.google.com

Mackenzie, Dana (2010), What's Happening in the Mathematical Sciences, Volume 8, ISBN 9780821849996, American Mathematical Society, p. 126 .
Olli Lehto. Mathematics without borders: a history of the International Mathematical Union. Springer-Verlag, 1998. ISBN 0-387-98358-9; pp. 205-206

doi.org

dx.doi.org

Pontryagin, LS (14 de setembro de 1979). «Soviet Anti-Semitism: Reply by Pontryagin». Science. 205 (4411): 1083–1084. PMID 17735029. doi:10.1126/science.205.4411.1083

narod.ru

ega-math.narod.ru

Memoirs, by Lev Pontryagin, Narod Publications, Moscow, 1998 (in Russian).

nih.gov

ncbi.nlm.nih.gov

Pontryagin, LS (14 de setembro de 1979). «Soviet Anti-Semitism: Reply by Pontryagin». Science. 205 (4411): 1083–1084. PMID 17735029. doi:10.1126/science.205.4411.1083

st-andrews.ac.uk

www-history.mcs.st-andrews.ac.uk

O'Connor, John J; Edmund F. Robertson "Nathan Jacobson". MacTutor History of Mathematics archive.