BibTeX

@ARTICLE{iumj12062,
    author = "Eberhard Hopf",
     title = "Remarks on My Paper: An Inequality for Positive Linear Integral Operators",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 12,
      year = 1963,
     issue = 6,
     pages = "889--892",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj12062}{article}{
     author = {Hopf, Eberhard},
      title = {Remarks on My Paper: An Inequality for Positive Linear Integral Operators},
    journal = {Indiana Univ. Math. J.},
     volume = {12},
       year = {1963},
     number = {6},
      pages = {889 \ndash 892},
}