@article{01278889,
title = {Frequent oscillation of a class of partial difference equations.},
journal = {Zeitschrift f\"ur Analysis und ihre Anwendungen},
volume = {18},
year = {1999},
pages = {111-130},
zbl = {0923.39009},
language = {en},
url = {http://dml.mathdoc.fr/item/01278889}
}
Tian, C.J.; Zhang, B.G. Frequent oscillation of a class of partial difference equations.. Zeitschrift für Analysis und ihre Anwendungen, Tome 18 (1999) pp. 111-130. http://gdmltest.u-ga.fr/item/01278889/