%0 Journal Article %A V. D. Solov'ev %T Some generalizations of the notions of reducibility and creativity %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1976 %P 65-72 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1976_3_a7/ %G ru %F IVM_1976_3_a7