@article{05028398, title = {Periodic solutions of arbitrary length in a simple integer iteration.}, journal = {Advances in Difference Equations [electronic only]}, volume = {2006}, year = {2006}, doi = {10.1155/ADE/2006/35847}, zbl = {1133.39005}, language = {en}, url = {http://dml.mathdoc.fr/item/05028398} }
Clark, Dean. Periodic solutions of arbitrary length in a simple integer iteration.. Advances in Difference Equations [electronic only], Tome 2006 (2006) . doi : 10.1155/ADE/2006/35847. http://gdmltest.u-ga.fr/item/05028398/