@article{TMF_1997_110_1_a5,
     author = {V. E. Tarasov},
     title = {Quantum dissipative {systems.~III.} {Definition} and algebraic structure},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {73--85},
     year = {1997},
     volume = {110},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1997_110_1_a5/}
}