%0 Journal Article %A Saker, S.H. %T Oscillation of solutions of a pair of coupled nonlinear delay differential equations. %J Portugaliae mathematica %D 2003 %P 319-336 %V 60 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_2003__60_3_51166/ %G en %F PORMA_2003__60_3_51166