%0 Journal Article %A R. N. Gumerov %T On a geometric criterion for nontriviality of the simplicial and cyclic cohomology of Banach algebras %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1991 %P 67-69 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1991_3_a15/ %G ru %F VMUMM_1991_3_a15