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1by Lobachevskiĭ, N. I. (Nikolaĭ Ivanovich), 1792-1856### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1956Moskva, Izd-vo Akademii nauk SSSR, 1956.595 p. illus. 23 cm. -
2by Lobachevskiĭ, N. I. (Nikolaĭ Ivanovich), 1792-1856### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1945Moskva : Izd-vo Akademi︠i︡a nauk SSSR, 1945.175 p. : ill., port. ; 24 cm.