%0 Journal Article %A A. I. Neishtadt %T Averaging, passage through resonances, and~capture into resonance in two-frequency systems %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2014 %P 771-843 %V 69 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2014_69_5_a0/ %G en %F RM_2014_69_5_a0