@article{05627589, title = {Existence and uniqueness of periodic solutions of mixed monotone functional differential equations.}, journal = {Abstract and Applied Analysis}, volume = {2009}, year = {2009}, doi = {10.1155/2009/162891}, zbl = {1187.34090}, language = {en}, url = {http://dml.mathdoc.fr/item/05627589} }
Kang, Shugui; Cheng, Sui Sun. Existence and uniqueness of periodic solutions of mixed monotone functional differential equations.. Abstract and Applied Analysis, Tome 2009 (2009) . doi : 10.1155/2009/162891. http://gdmltest.u-ga.fr/item/05627589/