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Lev Pontryagin
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Lev Pontryagin 2024 Mathematicians Solve 45-Year-Old Kervaire Invariant Puzzle Simons Foundation
Jewish Mathematicians Mistreated by Soviets - The Washington Post The Washington Post
A devout mathematician FAPESP
Gregory Margulis: Barrado pela Guerra Fria IMPA - Instituto de Matemática Pura e Aplicada