@article{1183505730, author = {Gottschalk, W. H.}, title = {Powers of homeomorphisms with almost periodic properties}, journal = {Bull. Amer. Math. Soc.}, volume = {50}, number = {12}, year = {1944}, pages = { 222-227}, language = {en}, url = {http://dml.mathdoc.fr/item/1183505730} }
Gottschalk, W. H. Powers of homeomorphisms with almost periodic properties. Bull. Amer. Math. Soc., Tome 50 (1944) no. 12, pp. 222-227. http://gdmltest.u-ga.fr/item/1183505730/