%0 Journal Article
%A V. A. Roman'kov
%T Nondistributivity of the lattice of varieties of nilpotent groups
%J Algebra i logika
%D 1970
%P 67-72
%V 9
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1970_9_1_a4/
%G ru
%F AL_1970_9_1_a4