%0 Journal Article %A W. Ziller %A McK.Y. Wang %T Existence and non-existence of homogeneous Einstein metrics. %J Inventiones mathematicae %D 1986 %P 177-194 %V 84 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1986__84_143339/ %F IM_1986__84_143339