TY - JOUR AU - A. V. Kudinov AU - M. A. Smondyrev TI - Quantum-mechanical oscillator with arbitrary anharmonicity: $1/N$ Expansion and perturbation theory JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1983 SP - 357 EP - 367 VL - 56 IS - 3 UR - http://geodesic.mathdoc.fr/item/TMF_1983_56_3_a3/ LA - ru ID - TMF_1983_56_3_a3 ER -