%0 Journal Article %A S. A. Chunikhin %T On block properties of finite groups %J Doklady Akademii Nauk %D 1971 %P 1032-1035 %V 198 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_198_5_a10/ %G ru %F DAN_1971_198_5_a10