%0 Journal Article
%A C.M. Edwards
%A G.T. Rüttimann
%T On the Facial Structure of the Unit  Ball of a GM-Space.
%J Mathematische Zeitschrift
%D 1986
%P 597-612
%V 193
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1986__193_173808/
%F MZ_1986__193_173808