TY - JOUR AU - I. M. Gel'fand AU - I. Ya. Dorfman TI - Hamiltonian operators and algebraic structures related to them JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1979 SP - 13 EP - 30 VL - 13 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1979_13_4_a1/ LA - ru ID - FAA_1979_13_4_a1 ER -