@article{2523, author = {Wong, James S.W.}, title = {On common fixed and periodic points}, journal = {Portugaliae mathematica}, volume = {26}, year = {1967}, pages = {159-163}, zbl = {0184.26802}, mrnumber = {0410490}, language = {en}, url = {http://dml.mathdoc.fr/item/2523} }
Wong, James S.W. On common fixed and periodic points. Portugaliae mathematica, Tome 26 (1967) pp. 159-163. http://gdmltest.u-ga.fr/item/2523/