%0 Journal Article %A V. D. Mazurov %T The $2$-signalizers of finite groups %J Algebra i logika %D 1968 %P 60-62 %V 7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1968_7_3_a6/ %G ru %F AL_1968_7_3_a6