@article{1028999371, author = {Schwartz, A. J.}, title = {Common periodic points of commuting functions.}, journal = {Michigan Math. J.}, volume = {12}, number = {1}, year = {1965}, pages = { 353-355}, language = {en}, url = {http://dml.mathdoc.fr/item/1028999371} }
Schwartz, A. J. Common periodic points of commuting functions.. Michigan Math. J., Tome 12 (1965) no. 1, pp. 353-355. http://gdmltest.u-ga.fr/item/1028999371/