Envelopes Boltianskii, V. G. (Vladimir Grigorevich) 1925- creator text enk Oxford Pergamon Pr. 1964 monographic eng
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ix, 76 p. : illus. ; 23 cm. by V. G. Boltyanskii ; Translated and adapted from the Russian by Robert B. Brown. Popular lectures in mathematics, v. 12. Translation of Ogibaiushehaia (transliterated: Ogibaiushchaia). "A Pergamon Press book.". Envelopes (Geometry) QA621 B65 516.7 BOE Survey of recent East European mathematical literature Popular lectures in mathematics (New York, N.Y.) ; v. 12 870401 20140902091024.0 2252351