%0 Journal Article
%A Elabbasy, E.
%A Saker, S.
%T Oscillation of delay differential equation with several positive and negative coefficients
%J Discussiones Mathematicae. Differential Inclusions, Control and Optimization
%D 2003
%P 39-52
%V 23
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DMDICO_2003_23_1_a3/
%G en
%F DMDICO_2003_23_1_a3