%0 Journal Article %A Thandapani, Ethiraju %A Rama, Renu %T Comparison and oscillation theorems for second order nonlinear neutral differential equations of mixed type %J Serdica Mathematical Journal %D 2013 %P 1-16 %V 39 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2013_39_1_a0/ %G en %F SMJ2_2013_39_1_a0