@article{04103382, title = {Periodic orbits of maps with an infinite number of partition points.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {12}, year = {1989}, pages = {409-412}, doi = {10.1155/S0161171289000487}, zbl = {0674.26003}, language = {en}, url = {http://dml.mathdoc.fr/item/04103382} }
Scarowsky, Manny; Boyarski, Abraham. Periodic orbits of maps with an infinite number of partition points.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 409-412. doi : 10.1155/S0161171289000487. http://gdmltest.u-ga.fr/item/04103382/