@article{bwmeta1.element.desklight-eab509ba-6aa4-4b74-8e1a-aa25745d1f4c,
author = {Bla\.zej Szmanda},
title = {Oscillation criteria for second order non-linear difference equations},
journal = {Annales Polonici Mathematici},
volume = {40},
year = {1983},
pages = {225-235},
zbl = {0597.39001},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-eab509ba-6aa4-4b74-8e1a-aa25745d1f4c}
}
Blażej Szmanda. Oscillation criteria for second order non-linear difference equations. Annales Polonici Mathematici, Tome 40 (1983) pp. 225-235. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-eab509ba-6aa4-4b74-8e1a-aa25745d1f4c/