BibTeX

@ARTICLE{iumj27071,
    author = "Serge Alinhac",
     title = "Branching of Singularities for a Class of Hyperbolic Operators",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 27,
      year = 1978,
     issue = 6,
     pages = "1027--1037",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj27071}{article}{
     author = {Alinhac, Serge},
      title = {Branching of Singularities for a Class of Hyperbolic Operators},
    journal = {Indiana Univ. Math. J.},
     volume = {27},
       year = {1978},
     number = {6},
      pages = {1027 \ndash 1037},
}