%0 Journal Article %A V. A. Andrunakievich %T On a~characteristic of a~hyper-nilpotent radical %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1961 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1961_16_1_a5/ %G ru %F RM_1961_16_1_a5