Jian Ping Sun, Wan-Tong Li. Existence of positive solutions of boundary value problem for a discrete difference system. Applied Mathematics and Computation, 156(3):857-870, 2004. [doi]
@article{SunL04a:0,
title = {Existence of positive solutions of boundary value problem for a discrete difference system},
author = {Jian Ping Sun and Wan-Tong Li},
year = {2004},
doi = {10.1016/j.amc.2003.06.014},
url = {http://dx.doi.org/10.1016/j.amc.2003.06.014},
researchr = {https://researchr.org/publication/SunL04a%3A0},
cites = {0},
citedby = {0},
journal = {Applied Mathematics and Computation},
volume = {156},
number = {3},
pages = {857-870},
}