BibTeX

@ARTICLE{iumj26018,
    author = "Robert Devaney",
     title = "Blue Sky Catastrophes in Reversible and Hamiltonian Systems",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 26,
      year = 1977,
     issue = 2,
     pages = "247--263",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj26018}{article}{
     author = {Devaney, Robert},
      title = {Blue Sky Catastrophes in Reversible and Hamiltonian Systems},
    journal = {Indiana Univ. Math. J.},
     volume = {26},
       year = {1977},
     number = {2},
      pages = {247 \ndash 263},
}