@article{00026418,
title = {Oscillations in linear difference equations with variable coefficients.},
journal = {Journal of Applied Mathematics and Stochastic Analysis},
volume = {4},
year = {1991},
pages = {241-258},
doi = {10.1155/S1048953391000199},
zbl = {0747.39003},
language = {en},
url = {http://dml.mathdoc.fr/item/00026418}
}
Philos, Ch.G.; Purnaras, I.K. Oscillations in linear difference equations with variable coefficients.. Journal of Applied Mathematics and Stochastic Analysis, Tome 4 (1991) pp. 241-258. doi : 10.1155/S1048953391000199. http://gdmltest.u-ga.fr/item/00026418/