@article{GDZPPN002061163,
title = {Some Non-Linear Equivariant Sphere Bundles},
journal = {Commentarii mathematici Helvetici},
volume = {48},
year = {1973},
pages = {498-510},
zbl = {0267.55019},
url = {http://dml.mathdoc.fr/item/GDZPPN002061163}
}
Erle, Dieter. Some Non-Linear Equivariant Sphere Bundles. Commentarii mathematici Helvetici, Tome 48 (1973) pp. 498-510. http://gdmltest.u-ga.fr/item/GDZPPN002061163/