TY  - JOUR
AU  - Raffoul,  Youssef N.
TI  - Periodic solutions for neutral nonlinear differential equations with functional delay
JO  - Electronic journal of differential equations
PY  - 2003
VL  - 2003
UR  - http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a3/
LA  - en
ID  - EJDE_2003__2003__a3
ER  -