@article{05690857, title = {Frequent oscillatory behavior of delay partial difference equations with positive and negative coefficients.}, journal = {Advances in Difference Equations [electronic only]}, volume = {2010}, year = {2010}, doi = {10.1155/2010/606149}, zbl = {1190.35014}, language = {en}, url = {http://dml.mathdoc.fr/item/05690857} }
Xu, Li Hua; Yang, Jun. Frequent oscillatory behavior of delay partial difference equations with positive and negative coefficients.. Advances in Difference Equations [electronic only], Tome 2010 (2010) . doi : 10.1155/2010/606149. http://gdmltest.u-ga.fr/item/05690857/