BibTeX

@ARTICLE{iumj26043,
    author = "J. Ortiz and Alberto Torchinsky",
     title = "On a Mean Value Inequality",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 26,
      year = 1977,
     issue = 3,
     pages = "555--566",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj26043}{article}{
     author = {Ortiz, J.},
     author = {Torchinsky, Alberto},
      title = {On a Mean Value Inequality},
    journal = {Indiana Univ. Math. J.},
     volume = {26},
       year = {1977},
     number = {3},
      pages = {555 \ndash 566},
}