%0 Journal Article %A Saker, Samir H. %A Cheng, Sui Sun %T Kamenev type oscillation criteria for nonlinear difference equations %J Czechoslovak Mathematical Journal %D 2004 %P 955-967 %V 54 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2004__54_4_a11/ %G en %F CMJ_2004__54_4_a11