@article{GDZPPN002061368,
title = {Scalar Curvature, Non-Abelian Group Actions, and the Degree of Symmetry of Exotic Spheres},
journal = {Commentarii mathematici Helvetici},
volume = {49},
year = {1974},
pages = {232-244},
zbl = {0297.57016},
url = {http://dml.mathdoc.fr/item/GDZPPN002061368}
}
Yau, Shing Tung; Lawson, H. Blaine jr. Scalar Curvature, Non-Abelian Group Actions, and the Degree of Symmetry of Exotic Spheres. Commentarii mathematici Helvetici, Tome 49 (1974) pp. 232-244. http://gdmltest.u-ga.fr/item/GDZPPN002061368/