%0 Journal Article %A Z. Petrova %T Oscillation Properties of a Class of Second Order Equations %J Novi Sad Journal of Mathematics %D 2008 %P 113-119 %V 38 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_2008_38_3a_14/ %F NSJOM_2008_38_3a_14