@article{02163651, title = {Positive solutions for singular discrete boundary value problems.}, journal = {Abstract and Applied Analysis}, volume = {2004}, year = {2004}, pages = {271-283}, doi = {10.1155/S1085337504306068}, zbl = {1070.39006}, language = {en}, url = {http://dml.mathdoc.fr/item/02163651} }
Cecchi, Mariella; Došlá, Zuzana; Marini, Mauro. Positive solutions for singular discrete boundary value problems.. Abstract and Applied Analysis, Tome 2004 (2004) pp. 271-283. doi : 10.1155/S1085337504306068. http://gdmltest.u-ga.fr/item/02163651/