@article{05312510, title = {The periodic character of the difference equation }, journal = {Advances in Difference Equations [electronic only]}, volume = {2008}, year = {2008}, doi = {10.1155/2008/143723}, zbl = {1146.39019}, language = {en}, url = {http://dml.mathdoc.fr/item/05312510} }
Sun, Taixiang; Xi, Hongjian. The periodic character of the difference equation . Advances in Difference Equations [electronic only], Tome 2008 (2008) . doi : 10.1155/2008/143723. http://gdmltest.u-ga.fr/item/05312510/