TY - JOUR AU - M. B. Sheftel TI - Integration of Hamiltonian systems of hydrodynamic type with two dependent variables with the aid of the Lie--B\"acklund group JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1986 SP - 70 EP - 79 VL - 20 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1986_20_3_a6/ LA - ru ID - FAA_1986_20_3_a6 ER -