Existence of periodic solutions for a class of even order differential equations with deviating argument.
Guo, Chengjun ; O'Regan, D. ; Xu, Yuantong ; Agarwal, R.P.
Electronic Journal of Qualitative Theory of Differential Equations [electronic only], Tome 2009 (2009), / Harvested from The Electronic Library of Mathematics
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Publié le : 2009-01-01
EUDML-ID : urn:eudml:doc:225683 
@article{05703064,
     title = {Existence of periodic solutions for a class of even order differential equations with deviating argument.},
     journal = {Electronic Journal of Qualitative Theory of Differential Equations [electronic only]},
     volume = {2009},
     year = {2009},
     zbl = {1196.34092},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05703064}
}

Guo, Chengjun; O'Regan, D.; Xu, Yuantong; Agarwal, R.P. Existence of periodic solutions for a class of even order differential equations with deviating argument.. Electronic Journal of Qualitative Theory of Differential Equations [electronic only], Tome 2009 (2009) . http://gdmltest.u-ga.fr/item/05703064/