@article{DAN_1985_283_2_a10,
     author = {A. O. Radul},
     title = {The equation of a two-layer fluid is a completely integrable},
     journal = {Doklady Akademii Nauk},
     pages = {303--308},
     year = {1985},
     volume = {283},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_283_2_a10/}
}