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@article{DE_1987_23_4_a16, author = {A. S. Abdullaev}, title = {On the asymptotic behavior of the solutions of a nonlinear hyperbolic equation}, journal = {Differencialʹnye uravneni\^a}, pages = {706}, publisher = {mathdoc}, volume = {23}, number = {4}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1987_23_4_a16/} }
A. S. Abdullaev. On the asymptotic behavior of the solutions of a nonlinear hyperbolic equation. Differencialʹnye uravneniâ, Tome 23 (1987) no. 4. http://geodesic.mathdoc.fr/item/DE_1987_23_4_a16/