@article{ZNSL_1987_161_a9,
     author = {V. V. Sukhanov},
     title = {Asymptotic behavior of solutions of the nonlinear string equation for large times},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {122--138},
     year = {1987},
     volume = {161},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1987_161_a9/}
}