BibTeX

@ARTICLE{iumj10007,
    author = "Gideon Peyser",
     title = "The Goursat Problem for Hyperbolic Equations",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 10,
      year = 1961,
     issue = 1,
     pages = "91--109",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj10007}{article}{
     author = {Peyser, Gideon},
      title = {The Goursat Problem for Hyperbolic Equations},
    journal = {Indiana Univ. Math. J.},
     volume = {10},
       year = {1961},
     number = {1},
      pages = {91 \ndash 109},
}