@article{2337,
author = {McCarthy, Paul J.},
title = {Note on the oscillation of solutions of second order linear difference equations},
journal = {Portugaliae mathematica},
volume = {18},
year = {1959},
pages = {203-205},
zbl = {0094.06102},
mrnumber = {0124641},
language = {en},
url = {http://dml.mathdoc.fr/item/2337}
}
McCarthy, Paul J. Note on the oscillation of solutions of second order linear difference equations. Portugaliae mathematica, Tome 18 (1959) pp. 203-205. http://gdmltest.u-ga.fr/item/2337/