TY - JOUR AU - V. A. Nikiforov TI - The Eilenberg--Borsuk duality theorem JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1988 SP - 67 EP - 68 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1988_1_a15/ LA - ru ID - VMUMM_1988_1_a15 ER -