@article{GDZPPN002319918,
title = {Extreme Points of a Convex Subset of the Cone of Positive Semidefinite Matrices.},
journal = {Mathematische Annalen},
volume = {250},
year = {1980},
pages = {227-232},
zbl = {0426.46008},
url = {http://dml.mathdoc.fr/item/GDZPPN002319918}
}
Loewy, R. Extreme Points of a Convex Subset of the Cone of Positive Semidefinite Matrices.. Mathematische Annalen, Tome 250 (1980) pp. 227-232. http://gdmltest.u-ga.fr/item/GDZPPN002319918/