%0 Journal Article %A B. A. Pasynkov %T A factorization theorem for the cohomological dimensions of mappings %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1991 %P 26-33 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1991_4_a6/ %G ru %F VMUMM_1991_4_a6