@article{05701498,
title = {Resonance and nonresonance periodic value problems of first-order differential systems.},
journal = {Discrete Dynamics in Nature and Society},
volume = {2010},
year = {2010},
doi = {10.1155/2010/863193},
zbl = {1194.34033},
language = {en},
url = {http://dml.mathdoc.fr/item/05701498}
}
Zhang, Fengqin; Yan, Jurang. Resonance and nonresonance periodic value problems of first-order differential systems.. Discrete Dynamics in Nature and Society, Tome 2010 (2010) . doi : 10.1155/2010/863193. http://gdmltest.u-ga.fr/item/05701498/