TY - JOUR AU - M. V. Karasev TI - Lagrangian rings. Multiscale asymptotics of a spectrum near resonance JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1987 SP - 78 EP - 79 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1987_21_1_a12/ LA - ru ID - FAA_1987_21_1_a12 ER -