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@article{MASLO_2000__50_3_a7, author = {Grace, Said R.}, title = {Oscillatory behaviour of certain difference equations}, journal = {Mathematica slovaca}, pages = {345--355}, publisher = {mathdoc}, volume = {50}, number = {3}, year = {2000}, mrnumber = {1775306}, zbl = {0990.39001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_2000__50_3_a7/} }
Grace, Said R. Oscillatory behaviour of certain difference equations. Mathematica slovaca, Tome 50 (2000) no. 3, pp. 345-355. http://geodesic.mathdoc.fr/item/MASLO_2000__50_3_a7/