@article{EJDE_2006__2006__a62,
     author = {Hbid, My Lhassan and Qesmi, Redouane},
     title = {Periodic solutions for functional differential equations with periodic delay close to zero},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2006},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a62/}
}