@article{1255632331, author = {Berstein, I. and Ganea, T.}, title = {On the homotopy-commutativity of suspensions}, journal = {Illinois J. Math.}, volume = {6}, number = {1}, year = {1962}, pages = { 336-340}, language = {en}, url = {http://dml.mathdoc.fr/item/1255632331} }
Berstein, I.; Ganea, T. On the homotopy-commutativity of suspensions. Illinois J. Math., Tome 6 (1962) no. 1, pp. 336-340. http://gdmltest.u-ga.fr/item/1255632331/