BibTeX

@ARTICLE{iumj10003,
    author = "Jane Cronin",
     title = "Stability of Periodic Solutions of the Perturbation Problem",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 10,
      year = 1961,
     issue = 1,
     pages = "19--30",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj10003}{article}{
     author = {Cronin, Jane},
      title = {Stability of Periodic Solutions of the Perturbation Problem},
    journal = {Indiana Univ. Math. J.},
     volume = {10},
       year = {1961},
     number = {1},
      pages = {19 \ndash 30},
}