@article{FAA_1986_20_3_a6, author = {M. B. Sheftel}, title = {Integration of {Hamiltonian} systems of hydrodynamic type with two dependent variables with the aid of the {Lie{\textendash}B\"acklund} group}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {70--79}, year = {1986}, volume = {20}, number = {3}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1986_20_3_a6/} }