@article{10_4007_annals_2005_162_557,
     author = {Charles P. Boyer and Krzysztof Galicki and J\'anos Koll\'ar},
     title = {Einstein metrics on spheres},
     journal = {Annals of mathematics},
     pages = {557--580},
     publisher = {mathdoc},
     volume = {162},
     number = {1},
     year = {2005},
     doi = {10.4007/annals.2005.162.557},
     mrnumber = {2178969},
     zbl = {1093.53044},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2005.162.557/}
}