%0 Journal Article %A Cemil Tunc %T Nonoscillation Criteria for a Class of Nonlinear Differential Equations of Third Order %J Μαθηματική Επιθεώρηση %D 1992 %P 131-137 %V 39 %I mathdoc %U http://geodesic.mathdoc.fr/item/MR_1992__39_a3/ %G gr %F MR_1992__39_a3