%0 Journal Article %A Grammatikopoulos, M.K. %A Koplatadze, R. %A Stavroulakis, I.P. %T On the oscillation of solutions of first-order differential equations with retarded arguments. %J Georgian Mathematical Journal %D 2003 %P 63-76 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_2003__10_1_51058/ %G en %F GMJ_2003__10_1_51058