TY - JOUR AU - Hbid, My Lhassan AU - Qesmi, Redouane TI - Periodic solutions for functional differential equations with periodic delay close to zero JO - Electronic Journal of Differential Equations PY - 2006 VL - 2006 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a62/ LA - en ID - EJDE_2006__2006__a62 ER -