TY - JOUR AU - A. I. Esina AU - A. I. Shafarevich TI - Quantization Conditions on Riemannian Surfaces and the Semiclassical Spectrum of the Schr\"odinger Operator with Complex Potential JO - Matematičeskie zametki PY - 2010 SP - 229 EP - 248 VL - 88 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2010_88_2_a6/ LA - ru ID - MZM_2010_88_2_a6 ER -