%0 Journal Article
%A Elabbasy, El M.
%A Hegazi, A.S.
%A Saker, S.H.
%T Oscillation of solutions to delay differential equations with positiv and negative coefficients
%J Electronic Journal of Differential Equations
%D 2000
%V 2000
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a54/
%G en
%F EJDE_2000__2000__a54