@article{IM_1986__84_143339,
     author = {W. Ziller and McK.Y. Wang},
     title = {Existence and non-existence of homogeneous {Einstein} metrics.},
     journal = {Inventiones mathematicae},
     pages = {177--194},
     publisher = {mathdoc},
     volume = {84},
     year = {1986},
     zbl = {0596.53040},
     url = {http://geodesic.mathdoc.fr/item/IM_1986__84_143339/}
}