BibTeX

@ARTICLE{iumj25067,
    author = "Constantin Apostol and J. Stampfli",
     title = "On Derivation Ranges",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 25,
      year = 1976,
     issue = 9,
     pages = "857--869",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj25067}{article}{
     author = {Apostol, Constantin},
     author = {Stampfli, J.},
      title = {On Derivation Ranges},
    journal = {Indiana Univ. Math. J.},
     volume = {25},
       year = {1976},
     number = {9},
      pages = {857 \ndash 869},
}