@article{GDZPPN002324156, title = {Semifree Topological Actions of Finite Groups on Spheres.}, journal = {Mathematische Annalen}, volume = {264}, year = {1983}, pages = {23-44}, zbl = {0496.57016}, url = {http://dml.mathdoc.fr/item/GDZPPN002324156} }
Anderson, Douglas R.; Pedersen, Erik K. Semifree Topological Actions of Finite Groups on Spheres.. Mathematische Annalen, Tome 264 (1983) pp. 23-44. http://gdmltest.u-ga.fr/item/GDZPPN002324156/