TY - JOUR AU - Saker, S.H. TI - Oscillation of solutions of a pair of coupled nonlinear delay differential equations. JO - Portugaliae mathematica PY - 2003 SP - 319 EP - 336 VL - 60 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_2003__60_3_51166/ LA - en ID - PORMA_2003__60_3_51166 ER -