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23 фев 2002 г. - Г. Перельман доказал гипотезу Пуанкаре
Добавлено на ленту времени:
History of science in Russia
By
Andrew Miandin
14 дек 2017
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0
590
Дата:
23 фев 2002 г.
Сейчас
~ 23 г назад
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