Ravi P. Agarwal, Donal O'Regan. A coupled system of difference equations. Applied Mathematics and Computation, 114(1):39-49, 2000. [doi]
@article{AgarwalO00-0,
title = {A coupled system of difference equations},
author = {Ravi P. Agarwal and Donal O'Regan},
year = {2000},
doi = {10.1016/S0096-3003(99)00073-9},
url = {http://dx.doi.org/10.1016/S0096-3003(99)00073-9},
researchr = {https://researchr.org/publication/AgarwalO00-0},
cites = {0},
citedby = {0},
journal = {Applied Mathematics and Computation},
volume = {114},
number = {1},
pages = {39-49},
}