BibTeX

@ARTICLE{iumj21015,
    author = "Bert Fristedt",
     title = "Upper Functions for Symmetric Processes with Stationary, Independent Increments",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 21,
      year = 1972,
     issue = 2,
     pages = "177--185",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj21015}{article}{
     author = {Fristedt, Bert},
      title = {Upper Functions for Symmetric Processes with Stationary, Independent Increments},
    journal = {Indiana Univ. Math. J.},
     volume = {21},
       year = {1972},
     number = {2},
      pages = {177 \ndash 185},
}