TY - JOUR AU - I. M. Gel'fand AU - I. Ya. Dorfman TI - Hamiltonian operators and infinite-dimensional Lie algebras JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1981 SP - 23 EP - 40 VL - 15 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1981_15_3_a2/ LA - ru ID - FAA_1981_15_3_a2 ER -