@article{03840524, title = {A Hille-Wintner type comparison theorem for second order difference equations.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {6}, year = {1983}, pages = {387-393}, doi = {10.1155/S0161171283000332}, zbl = {0529.39001}, language = {en}, url = {http://dml.mathdoc.fr/item/03840524} }
Hooker, John W. A Hille-Wintner type comparison theorem for second order difference equations.. International Journal of Mathematics and Mathematical Sciences, Tome 6 (1983) pp. 387-393. doi : 10.1155/S0161171283000332. http://gdmltest.u-ga.fr/item/03840524/