TY - JOUR AU - O. Yu. Aristov TI - Nontriviality of the second cohomology of some weakly amenable Banach algebras JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1993 SP - 71 EP - 74 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1993_4_a15/ LA - ru ID - VMUMM_1993_4_a15 ER -