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  -