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Pafnuty Chebyshev - Wikipedia
Pafnuty Chebyshev (1821 - 1894) - Biography - MacTutor History …
Pafnuty Chebyshev | Number Theory, Probability Theory
Chebyshev, Pafnutii Lvovich - Encyclopedia of Mathematics
Pafnuty Chebyshev and the Mathematics Education of His Time
Pafnuty Chebyshev - Wikiwand
Pafnuty Lvovich Chebyshev - Oxford Reference
Chebyshev, Pafnuty (1821-1894) -- from Eric Weisstein's World of ...
Pafnuty Lvovich Chebyshev | Encyclopedia.com