@article{MAN_1982__259_163638,
     author = {W. Ziller},
     title = {Homogeneous {Einstein} {Metrics} on {Spheres} and {Proiective} {Spaces.}},
     journal = {Mathematische Annalen},
     pages = {351--358},
     publisher = {mathdoc},
     volume = {259},
     year = {1982},
     zbl = {0469.53043},
     url = {http://geodesic.mathdoc.fr/item/MAN_1982__259_163638/}
}