Existence of positive periodic solutions for non-autonomous functional differential equations.
Cheng, Sui Sun ; Zhang, Guang
Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2001 (2001), / Harvested from The Electronic Library of Mathematics
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Publié le : 2001-01-01
EUDML-ID : urn:eudml:doc:122328 
@article{01645679,
     title = {Existence of positive periodic solutions for non-autonomous functional differential equations.},
     journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
     volume = {2001},
     year = {2001},
     zbl = {1003.34059},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01645679}
}

Cheng, Sui Sun; Zhang, Guang. Existence of positive periodic solutions for non-autonomous functional differential equations.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2001 (2001) . http://gdmltest.u-ga.fr/item/01645679/