%0 Journal Article %A M. B. Sheftel %T Integration of Hamiltonian systems of hydrodynamic type with two dependent variables with the aid of the Lie--B\"acklund group %J Funkcionalʹnyj analiz i ego priloženiâ %D 1986 %P 70-79 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1986_20_3_a6/ %G ru %F FAA_1986_20_3_a6