BibTeX

@ARTICLE{iumj6007,
    author = "Valentino Magnani",
     title = "A new differentiation, shape of the unit ball and perimeter measure",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 66,
      year = 2017,
     issue = 1,
     pages = "183--204",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj6007}{article}{
     author = {Magnani, Valentino},
      title = {A new differentiation, shape of the unit ball and perimeter measure},
    journal = {Indiana Univ. Math. J.},
     volume = {66},
       year = {2017},
     number = {1},
      pages = {183 \ndash 204},
}