BibTeX

@ARTICLE{iumj37043,
    author = "Peter Sjogren",
     title = "How to Recognize a Discrete Maximal Function",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 37,
      year = 1988,
     issue = 4,
     pages = "891--898",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj37043}{article}{
     author = {Sjogren, Peter},
      title = {How to Recognize a Discrete Maximal Function},
    journal = {Indiana Univ. Math. J.},
     volume = {37},
       year = {1988},
     number = {4},
      pages = {891 \ndash 898},
}