@article{RM_2014_69_5_a0,
     author = {A. I. Neishtadt},
     title = {Averaging, passage through resonances, and~capture into resonance in two-frequency systems},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {771--843},
     publisher = {mathdoc},
     volume = {69},
     number = {5},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2014_69_5_a0/}
}