BibTeX

@ARTICLE{iumj12035,
    author = "Donald Ludwig",
     title = "Examples of the Behavior of Solutions of Hyperbolic Equations for Large Times",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 12,
      year = 1963,
     issue = 4,
     pages = "557--566",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj12035}{article}{
     author = {Ludwig, Donald},
      title = {Examples of the Behavior of Solutions of Hyperbolic Equations for Large Times},
    journal = {Indiana Univ. Math. J.},
     volume = {12},
       year = {1963},
     number = {4},
      pages = {557 \ndash 566},
}