%0 Journal Article
%A G. Kalai
%T Rigidity and the lower bound Theorem l.
%J Inventiones mathematicae
%D 1987
%P 125-152
%V 88
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1987__88_143447/
%F IM_1987__88_143447