%0 Journal Article %A Parhi, N. %A Tripathy, A. K. %T On oscillatory fourth order nonlinear neutral differential equations. I. %J Mathematica slovaca %D 2004 %P 389-410 %V 54 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_2004__54_4_a4/ %G en %F MASLO_2004__54_4_a4