@article{FAA_1978_12_1_a2,
     author = {B. A. Kupershmidt and Yu. I. Manin},
     title = {Equations of long waves with a free surface. {II.} {Hamiltonian} structure and higher equations},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {25--37},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1978_12_1_a2/}
}