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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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17 sett 1871 anni - 1871 г. – трактат «О так называемой неевклидовой геометрии» – истолкование неевклидовых геометрий как проективных с метрикой Кэли (Ф. Клейн).
Aggiunto al nastro di tempo:
История геометрии 2 часть
By
Ксения
4 gen 2019
0
0
824
Data:
17 sett 1871 anni
Adesso
~ 154 years ago
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