%0 Journal Article %A A. F. Vasil'ev %A I. N. Khalimonchik %T On hyperradical formations of finite groups %J Trudy Instituta matematiki %D 2008 %P 9-12 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMB_2008_16_1_a2/ %G ru %F TIMB_2008_16_1_a2