@article{05134605,
title = {Existence of positive solutions of PBVPs for first-order difference equations.},
journal = {Discrete Dynamics in Nature and Society},
volume = {2006},
year = {2006},
doi = {10.1155/DDNS/2006/65798},
zbl = {1118.39005},
language = {en},
url = {http://dml.mathdoc.fr/item/05134605}
}
Zhou, Yinggao. Existence of positive solutions of PBVPs for first-order difference equations.. Discrete Dynamics in Nature and Society, Tome 2006 (2006) . doi : 10.1155/DDNS/2006/65798. http://gdmltest.u-ga.fr/item/05134605/