@article{ZVMMF_2008_48_4_a14,
     author = {A. V. Astashenok and A. A. Zaitsev},
     title = {Influence of cubic nonlinearity on the dispersion relation for long waves on a~water surface},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {725--728},
     publisher = {mathdoc},
     volume = {48},
     number = {4},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2008_48_4_a14/}
}