BibTeX

@ARTICLE{iumj18079,
    author = "Jan Persson",
     title = "Non-Characteristic Cauchy Problems and Generalized Goursat Problems in R^n*",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 18,
      year = 1969,
     issue = 11,
     pages = "1087--1094",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj18079}{article}{
     author = {Persson, Jan},
      title = {Non-Characteristic Cauchy Problems and Generalized Goursat Problems in R^n*},
    journal = {Indiana Univ. Math. J.},
     volume = {18},
       year = {1969},
     number = {11},
      pages = {1087 \ndash 1094},
}