%0 Journal Article
%A Michael T. Anderson
%T On the Fundamental Group of Non-Positively Curved Manifolds.
%J Mathematische Annalen
%D 1986
%P 269-278
%V 276
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1986__276_164196/
%F MAN_1986__276_164196