%0 Journal Article
%A Michael Shapiro
%T A geometric approach to the almost convexity and growth of some nilpotent groups.
%J Mathematische Annalen
%D 1989
%P 601-624
%V 285
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1989__285_1_164620/
%F MAN_1989__285_1_164620