TY - JOUR AU - A. Yu. Artem'ev TI - Classification of quantum Markov master equations of spin systems with respect to the symmetry groups of the environment JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1989 SP - 323 EP - 333 VL - 79 IS - 3 UR - http://geodesic.mathdoc.fr/item/TMF_1989_79_3_a0/ LA - ru ID - TMF_1989_79_3_a0 ER -