@article{02012550, title = {A necessary and sufficient condition for the existence of a unique solution of a discrete boundary value problem.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2003}, year = {2003}, pages = {2455-2463}, doi = {10.1155/S0161171203211509}, zbl = {1035.39001}, language = {en}, url = {http://dml.mathdoc.fr/item/02012550} }
Abu-Saris, Raghib; Ahmad, Wajdi. A necessary and sufficient condition for the existence of a unique solution of a discrete boundary value problem.. International Journal of Mathematics and Mathematical Sciences, Tome 2003 (2003) pp. 2455-2463. doi : 10.1155/S0161171203211509. http://gdmltest.u-ga.fr/item/02012550/