%0 Journal Article
%A R. Loewy
%T Extreme Points of a Convex Subset of the Cone of Positive Semidefinite Matrices.
%J Mathematische Annalen
%D 1980
%P 227-232
%V 253
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1980__253_163478/
%F MAN_1980__253_163478