BibTeX

@ARTICLE{iumj37025,
    author = "Gershon Wolansky",
     title = "Elliptic Perturbations of Nonlinear Oscillations in the Presence of Resonances",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 37,
      year = 1988,
     issue = 3,
     pages = "481--504",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj37025}{article}{
     author = {Wolansky, Gershon},
      title = {Elliptic Perturbations of Nonlinear Oscillations in the Presence of Resonances},
    journal = {Indiana Univ. Math. J.},
     volume = {37},
       year = {1988},
     number = {3},
      pages = {481 \ndash 504},
}