%0 Journal Article %A Ya. G. Berkovich %T Subgroup and normal structure of a finite $p$-group %J Doklady Akademii Nauk %D 1971 %P 255-258 %V 196 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_196_2_a0/ %G ru %F DAN_1971_196_2_a0