@article{CMJ_2004__54_4_a11,
     author = {Saker, Samir H. and Cheng, Sui Sun},
     title = {Kamenev type oscillation criteria for nonlinear difference equations},
     journal = {Czechoslovak Mathematical Journal},
     pages = {955--967},
     publisher = {mathdoc},
     volume = {54},
     number = {4},
     year = {2004},
     mrnumber = {2100008},
     zbl = {1080.39502},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2004__54_4_a11/}
}