%0 Journal Article
%A D. I. Zaitsev
%T Nilpotent approximations of metabelian groups
%J Algebra i logika
%D 1981
%P 638-653
%V 20
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1981_20_6_a2/
%G ru
%F AL_1981_20_6_a2