BibTeX

@ARTICLE{iumj41020,
    author = "Richard Rochberg and Lee Rubel",
     title = "A Functional Equation",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 41,
      year = 1992,
     issue = 2,
     pages = "363--376",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj41020}{article}{
     author = {Rochberg, Richard},
     author = {Rubel, Lee},
      title = {A Functional Equation},
    journal = {Indiana Univ. Math. J.},
     volume = {41},
       year = {1992},
     number = {2},
      pages = {363 \ndash 376},
}