@article{05575267, title = {Positive solutions for boundary value problems of second-order functional dynamic equations on time scales.}, journal = {Advances in Difference Equations [electronic only]}, volume = {2009}, year = {2009}, doi = {10.1155/2009/829735}, zbl = {1167.39005}, language = {en}, url = {http://dml.mathdoc.fr/item/05575267} }
Karaca, Ilkay Yaslan. Positive solutions for boundary value problems of second-order functional dynamic equations on time scales.. Advances in Difference Equations [electronic only], Tome 2009 (2009) . doi : 10.1155/2009/829735. http://gdmltest.u-ga.fr/item/05575267/