@article{05847807, title = {New fixed point theorems of mixed monotone operators and applications to singular boundary value problems on time scales.}, journal = {Boundary Value Problems [electronic only]}, volume = {2011}, year = {2011}, doi = {10.1155/2011/567054}, zbl = {1210.34139}, language = {en}, url = {http://dml.mathdoc.fr/item/05847807} }
Xu, Huiye. New fixed point theorems of mixed monotone operators and applications to singular boundary value problems on time scales.. Boundary Value Problems [electronic only], Tome 2011 (2011) . doi : 10.1155/2011/567054. http://gdmltest.u-ga.fr/item/05847807/