BibTeX

@ARTICLE{iumj17036,
    author = "Harry Pollard",
     title = "The Behavior of Gravitational Systems",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 17,
      year = 1968,
     issue = 6,
     pages = "601--611",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj17036}{article}{
     author = {Pollard, Harry},
      title = {The Behavior of Gravitational Systems},
    journal = {Indiana Univ. Math. J.},
     volume = {17},
       year = {1968},
     number = {6},
      pages = {601 \ndash 611},
}