%0 Journal Article %A W. Ziller %T Homogeneous Einstein Metrics on Spheres and Proiective Spaces. %J Mathematische Annalen %D 1982 %P 351-358 %V 259 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1982__259_163638/ %F MAN_1982__259_163638