@article{DAN_1991_318_3_a10,
     author = {L. V. Ovsyannikov},
     title = {On the asymptotic representation of solitary waves},
     journal = {Doklady Akademii Nauk},
     pages = {556--559},
     year = {1991},
     volume = {318},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_3_a10/}
}