%0 Journal Article %A V. I. Ushakov %T On a class of topological groups %J Doklady Akademii Nauk %D 1962 %P 65-68 %V 144 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_144_1_a17/ %G ru %F DAN_1962_144_1_a17