%0 Journal Article %A A. Yu. Artem'ev %T Classification of quantum Markov master equations of spin systems with respect to the symmetry groups of the environment %J Teoretičeskaâ i matematičeskaâ fizika %D 1989 %P 323-333 %V 79 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1989_79_3_a0/ %G ru %F TMF_1989_79_3_a0