BibTeX

@ARTICLE{iumj56034,
    author = "Gideon Peyser",
     title = "Energy Integrals for the Mixed Problem in Hyperbolic Partial Differential Equations of Higher Order",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 6,
      year = 1957,
     issue = 4,
     pages = "641--653",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj56034}{article}{
     author = {Peyser, Gideon},
      title = {Energy Integrals for the Mixed Problem in Hyperbolic Partial Differential Equations of Higher Order},
    journal = {Indiana Univ. Math. J.},
     volume = {6},
       year = {1957},
     number = {4},
      pages = {641 \ndash 653},
}