@article{1077378637, author = {Rice, P. M.}, title = {Free actions of $Z\sb{4}$ on $S\sp{3}$}, journal = {Duke Math. J.}, volume = {36}, number = {1}, year = {1969}, pages = { 749-751}, language = {en}, url = {http://dml.mathdoc.fr/item/1077378637} }
Rice, P. M. Free actions of $Z\sb{4}$ on $S\sp{3}$. Duke Math. J., Tome 36 (1969) no. 1, pp. 749-751. http://gdmltest.u-ga.fr/item/1077378637/