Boltyanskiy V.G. Gomotopicheskaya teoriya nepreryvnykh otobrazheniy i vektornykh poley./Boltyansky V.G. Homotopic theory of continuous mapping and vector fields. In Russian - landofmagazines.com

TransliterationBoltyanskiy V.G. Gomotopicheskaya teoriya nepreryvnykh otobrazheniy i vektornykh poley.

In EnglishBoltyansky V.G. Homotopic theory of continuous mapping and vector fields. In Russian

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