Lev Pontryagin · 1922 | ChronoCite

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Lev Pontryagin · 1922 | ChronoCite

← Lev Pontryagin timeline

Jan 1, 1922Documented record84% confidence

Career landmark: misadventure.

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Captured 2026-08-18 from Wikipedia. The archived copy is preserved so this citation survives link rot.