%0 Journal Article %A Ya. G. Berkovich %T A characterization of certain classes of finite groups %J Doklady Akademii Nauk %D 1963 %P 1007-1009 %V 151 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_151_5_a2/ %G ru %F DAN_1963_151_5_a2