TY - JOUR AU - V. E. Tarasov TI - Quantum dissipative systems. III. Definition and algebraic structure JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1997 SP - 73 EP - 85 VL - 110 IS - 1 UR - http://geodesic.mathdoc.fr/item/TMF_1997_110_1_a5/ LA - ru ID - TMF_1997_110_1_a5 ER -