The neutral delay difference equations of second order with positive and negative coefficients , n = 0,1,2,... studied sufficient condition existence positive solution equation obtained
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-am31-1-2,
author = {Wen-Xian Lin},
title = {On the existence of positive solutions of second order neutral difference equations},
journal = {Applicationes Mathematicae},
volume = {31},
year = {2004},
pages = {5-11},
zbl = {1059.39006},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-am31-1-2}
}
Wen-Xian Lin. On the existence of positive solutions of second order neutral difference equations. Applicationes Mathematicae, Tome 31 (2004) pp. 5-11. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-am31-1-2/