TY - JOUR AU - A. V. Pereskokov TI - Asymptotics of the Spectrum and Quantum Averages near the Boundaries of Spectral Clusters for Perturbed Two-Dimensional Oscillators JO - Matematičeskie zametki PY - 2012 SP - 583 EP - 596 VL - 92 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2012_92_4_a8/ LA - ru ID - MZM_2012_92_4_a8 ER -