@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/