BibTeX

@ARTICLE{iumj19022,
    author = "I. Berg",
     title = "On Functions with Almost Periodic or Almost Automorphic First Differences",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 19,
      year = 1970,
     issue = 3,
     pages = "239--245",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj19022}{article}{
     author = {Berg, I.},
      title = {On Functions with Almost Periodic or Almost Automorphic First Differences},
    journal = {Indiana Univ. Math. J.},
     volume = {19},
       year = {1970},
     number = {3},
      pages = {239 \ndash 245},
}