@article{1102978064, author = {Siegel, Jerrold}, title = {$G$-spaces, $H$-spaces and $W$-spaces.}, journal = {Pacific J. Math.}, volume = {31}, number = {3}, year = {1969}, pages = { 209-214}, language = {en}, url = {http://dml.mathdoc.fr/item/1102978064} }
Siegel, Jerrold. $G$-spaces, $H$-spaces and $W$-spaces.. Pacific J. Math., Tome 31 (1969) no. 3, pp. 209-214. http://gdmltest.u-ga.fr/item/1102978064/