TY - JOUR AU - N. Ya. Vilenkin TI - Generalized normal divisors of topological groups and their applications to combinatorial topology JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1954 SP - 15 EP - 88 VL - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1954_3_a1/ LA - ru ID - MMO_1954_3_a1 ER -