@article{MZM_2012_92_4_a8,
     author = {A. V. Pereskokov},
     title = {Asymptotics of the {Spectrum} and {Quantum} {Averages} near the {Boundaries} of {Spectral} {Clusters} for {Perturbed} {Two-Dimensional} {Oscillators}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {583--596},
     publisher = {mathdoc},
     volume = {92},
     number = {4},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_92_4_a8/}
}