BibTeX

@ARTICLE{iumj16043,
    author = "Yanping Chen",
     title = "On the Solutions of the Wave Equation in the Exterior of the Characteristic Cones",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 16,
      year = 1967,
     issue = 7,
     pages = "655--673",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj16043}{article}{
     author = {Chen, Yanping},
      title = {On the Solutions of the Wave Equation in the Exterior of the Characteristic Cones},
    journal = {Indiana Univ. Math. J.},
     volume = {16},
       year = {1967},
     number = {7},
      pages = {655 \ndash 673},
}