@article{MZM_1994_56_6_a2,
     author = {V. V. Belov and M. F. Kondrat'eva},
     title = {Hamiltonian systems of equations for quantum means},
     journal = {Matemati\v{c}eskie zametki},
     pages = {27--39},
     publisher = {mathdoc},
     volume = {56},
     number = {6},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1994_56_6_a2/}
}