@article{05791581, title = {Monotone iterative technique for first-order nonlinear periodic boundary value problems on time scales.}, journal = {Advances in Difference Equations [electronic only]}, volume = {2010}, year = {2010}, doi = {10.1155/2010/620459}, zbl = {1207.34080}, language = {en}, url = {http://dml.mathdoc.fr/item/05791581} }
Zhao, Ya-Hong; Sun, Jian-Ping. Monotone iterative technique for first-order nonlinear periodic boundary value problems on time scales.. Advances in Difference Equations [electronic only], Tome 2010 (2010) . doi : 10.1155/2010/620459. http://gdmltest.u-ga.fr/item/05791581/