BibTeX

@ARTICLE{iumj21082,
    author = "John Polking",
     title = "A Leibniz Formula for some Differentiation Operators of Fractional Order",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 21,
      year = 1972,
     issue = 11,
     pages = "1019--1029",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj21082}{article}{
     author = {Polking, John},
      title = {A Leibniz Formula for some Differentiation Operators of Fractional Order},
    journal = {Indiana Univ. Math. J.},
     volume = {21},
       year = {1972},
     number = {11},
      pages = {1019 \ndash 1029},
}