@article{1028997955, author = {Conner, P. E.}, title = {On the action of the circle group.}, journal = {Michigan Math. J.}, volume = {4}, number = {2}, year = {1957}, pages = { 241-247}, language = {en}, url = {http://dml.mathdoc.fr/item/1028997955} }
Conner, P. E. On the action of the circle group.. Michigan Math. J., Tome 4 (1957) no. 2, pp. 241-247. http://gdmltest.u-ga.fr/item/1028997955/