BibTeX

@ARTICLE{iumj19079,
    author = "Robert Kallman",
     title = "A Generalization of a Theorem of Berger and Coburn",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 19,
      year = 1970,
     issue = 11,
     pages = "1005--1010",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj19079}{article}{
     author = {Kallman, Robert},
      title = {A Generalization of a Theorem of Berger and Coburn},
    journal = {Indiana Univ. Math. J.},
     volume = {19},
       year = {1970},
     number = {11},
      pages = {1005 \ndash 1010},
}