TY - JOUR AU - A. I. Neishtadt TI - Averaging, passage through resonances, and~capture into resonance in two-frequency systems JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2014 SP - 771 EP - 843 VL - 69 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2014_69_5_a0/ LA - en ID - RM_2014_69_5_a0 ER -