@article{SM_1988_60_2_a13,
     author = {L. A. Kalyakin},
     title = {Asymptotic decay of a~one-dimensional wave packet in a~nonlinear dispersive medium},
     journal = {Sbornik. Mathematics},
     pages = {457--483},
     publisher = {mathdoc},
     volume = {60},
     number = {2},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1988_60_2_a13/}
}