bn:00051707n
Noun Named Entity
Categories: 1792 births, Biography with signature, Burials at Arskoe Cemetery, Kazan (Volga region) Federal University faculty, Russian people of Polish descent
EN
Lobachevsky  Nikolai Ivanovich Lobachevsky  Nikolai Lobachevsky  Lobachevski  Lobachevsky, Nikolay Ivanovich
EN
Russian mathematician who independently discovered non-Euclidean geometry (1792-1856) WordNet 3.0
English:
crater
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EN
Nikolai Ivanovich Lobachevsky was a Russian mathematician and geometer, known primarily for his work on hyperbolic geometry, otherwise known as Lobachevskian geometry, and also for his fundamental study on Dirichlet integrals, known as the Lobachevsky integral formula. Wikipedia
Russian mathematician and geometer Wikipedia Disambiguation
Russian mathematician Wikidata