%0 Journal Article %A Thandapani, E. %A Pandian, S. %T Oscillation theorems for certain second order perturbed nonlinear difference equations %J Czechoslovak Mathematical Journal %D 1995 %P 757-766 %V 45 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1995.128557/ %R 10.21136/CMJ.1995.128557 %G en %F 10_21136_CMJ_1995_128557