@article{05142081,
title = {Existence and uniqueness of periodic solutions for first-order neutral functional differential equations with two deviating arguments.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2006},
year = {2006},
zbl = {1118.34065},
language = {en},
url = {http://dml.mathdoc.fr/item/05142081}
}
Xiao, Jinsong; Liu, Bingwen. Existence and uniqueness of periodic solutions for first-order neutral functional differential equations with two deviating arguments.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2006 (2006) . http://gdmltest.u-ga.fr/item/05142081/