@article{MZM_2011_90_2_a1,
     author = {L. Accardi and F. M. Mukhamedov and M. Kh. Saburov},
     title = {Uniqueness of {Quantum} {Markov} {Chains} {Associated} with an $XY${-Model} on a {Cayley} {Tree} of {Order~}$2$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {168--182},
     publisher = {mathdoc},
     volume = {90},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2011_90_2_a1/}
}