TY - JOUR AU - S. V. Medvedev TI - Topological characteristics of the spaces $Q(k)$ and $Q\times B(k)$ JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1986 SP - 47 EP - 49 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1986_1_a11/ LA - ru ID - VMUMM_1986_1_a11 ER -