TY - JOUR AU - A. V. Arkhangel'skii TI - Relations among the invariants of topological groups and their subspaces JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1980 SP - 1 EP - 23 VL - 35 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1980_35_3_a0/ LA - en ID - RM_1980_35_3_a0 ER -