TY - JOUR AU - J. Cohen AU - S. Yu. Slavyanov TI - Quasiclassical asymptotics of the spectrum for lower states of an anharmonic oscillator JO - Algebra i analiz PY - 1991 SP - 132 EP - 138 VL - 3 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1991_3_2_a4/ LA - ru ID - AA_1991_3_2_a4 ER -