@article{01545116,
title = {Curvature and symmetry of Milnor spheres.},
journal = {Annals of Mathematics. Second Series},
volume = {151},
year = {2000},
pages = {331-367},
doi = {10.2307/2661385},
zbl = {0991.53016},
language = {en},
url = {http://dml.mathdoc.fr/item/01545116}
}
Grove, Karsten; Ziller, Wolfgang. Curvature and symmetry of Milnor spheres.. Annals of Mathematics. Second Series, Tome 151 (2000) pp. 331-367. doi : 10.2307/2661385. http://gdmltest.u-ga.fr/item/01545116/