@article{05142105,
title = {Periodic solutions for functional differential equations with periodic delay close to zero.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2006},
year = {2006},
zbl = {1118.34056},
language = {en},
url = {http://dml.mathdoc.fr/item/05142105}
}
Hbid, My Lhassan; Qesmi, Redouane. Periodic solutions for functional differential equations with periodic delay close to zero.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2006 (2006) . http://gdmltest.u-ga.fr/item/05142105/