@article{1102724212, author = {Dotzel, Ronald M.}, title = {Semifree finite group actions on homotopy spheres.}, journal = {Pacific J. Math.}, volume = {103}, number = {2}, year = {1982}, pages = { 25-27}, language = {en}, url = {http://dml.mathdoc.fr/item/1102724212} }
Dotzel, Ronald M. Semifree finite group actions on homotopy spheres.. Pacific J. Math., Tome 103 (1982) no. 2, pp. 25-27. http://gdmltest.u-ga.fr/item/1102724212/