n lobachevsky

Lobachevsky

[loh-buh-chef-skee; Russian luh-buh-chyef-skyee]
noun
Nikolai Ivanovich [nyi-kuh-lahy ee-vah-nuh-vyich] , 1793–1856, Russian mathematician.
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Lobachevsky (Russian ləbaˈtʃɛfskij)
 
n
Nikolai Ivanovich (nikaˈlaj iˈvanəvitʃ). 1793--1856, Russian mathematician; a founder of non-Euclidean geometry

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