TY - JOUR AU - V. S. Buslaev AU - A. A. Fedotov TI - The complex~WKB method for the Harper equation JO - Algebra i analiz PY - 1994 SP - 59 EP - 83 VL - 6 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1994_6_3_a3/ LA - ru ID - AA_1994_6_3_a3 ER -