BibTeX

@ARTICLE{iumj58026,
    author = "Robert Osserman",
     title = "An Analogue of the Heinz-Hopf Inequality",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 8,
      year = 1959,
     issue = 3,
     pages = "383--385",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj58026}{article}{
     author = {Osserman, Robert},
      title = {An Analogue of the Heinz-Hopf Inequality},
    journal = {Indiana Univ. Math. J.},
     volume = {8},
       year = {1959},
     number = {3},
      pages = {383 \ndash 385},
}