%0 Journal Article
%A Viktor Schroeder
%T Rigidity of Nonpositively Curved Graphmanifolds.
%J Mathematische Annalen
%D 1986
%P 19-26
%V 274
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1986__274_164083/
%F MAN_1986__274_164083