@article{02168609, title = {On linear difference equations over rings and modules.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2004}, year = {2004}, pages = {239-258}, doi = {10.1155/S0161171204302085}, zbl = {1079.16019}, language = {en}, url = {http://dml.mathdoc.fr/item/02168609} }
Abuhlail, Jawad Y. On linear difference equations over rings and modules.. International Journal of Mathematics and Mathematical Sciences, Tome 2004 (2004) pp. 239-258. doi : 10.1155/S0161171204302085. http://gdmltest.u-ga.fr/item/02168609/