%0 Journal Article %A A. V. Arkhangel'skii %T Classes of topological groups %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1981 %P 151-174 %V 36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1981_36_3_a2/ %G en %F RM_1981_36_3_a2