%0 Journal Article
%A U. Lang
%T The Trapping Property of Totally Geodesic Hyperplanes in Hadamard Spaces.
%J Geometric and functional analysis
%D 1996
%P 689-702
%V 6
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/GFA_1996__6_1_58244/
%F GFA_1996__6_1_58244