@article{00089247,
title = {Oscillation and nonoscillation theorems for some mixed difference equations.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {15},
year = {1992},
pages = {537-541},
doi = {10.1155/S0161171292000693},
zbl = {0758.39003},
language = {en},
url = {http://dml.mathdoc.fr/item/00089247}
}
Smith, B.; Taylor, W.E.jun. Oscillation and nonoscillation theorems for some mixed difference equations.. International Journal of Mathematics and Mathematical Sciences, Tome 15 (1992) pp. 537-541. doi : 10.1155/S0161171292000693. http://gdmltest.u-ga.fr/item/00089247/