%0 Journal Article
%A D. Segal
%A F.J. Grunewald
%A G.C. Smith
%T Subgroups of finite index in nilpotent groups.
%J Inventiones mathematicae
%D 1988
%P 185-224
%V 93
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1988__93_2_143594/
%F IM_1988__93_2_143594