@article{DE_1975_11_8_a11, author = {Ya. V. Bykov and G. D. Merzljakova and E. I. Shevtsov}, title = {The oscillation of the solutions of nonlinear difference equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1460--1473}, publisher = {mathdoc}, volume = {11}, number = {8}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_8_a11/} }