TY - JOUR AU - A. D. Krakhnov TI - Asymptotic behavior of the eigenvalues of pseudodifferential operators, and invariant tori JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1976 VL - 31 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1976_31_3_a15/ LA - ru ID - RM_1976_31_3_a15 ER -