%0 Journal Article
%A G. A. Margulis
%T On the action of unipotent groups in a~lattice space
%J Sbornik. Mathematics
%D 1971
%P 549-554
%V 15
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1971_15_4_a3/
%G en
%F SM_1971_15_4_a3