BibTeX

@ARTICLE{iumj7645,
    author = "Mario Santilli",
     title = "Rectifiability and approximate differentiability of higher order for sets",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 68,
      year = 2019,
     issue = 3,
     pages = "1013--1046",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj7645}{article}{
     author = {Santilli, Mario},
      title = {Rectifiability and approximate differentiability of higher order for sets},
    journal = {Indiana Univ. Math. J.},
     volume = {68},
       year = {2019},
     number = {3},
      pages = {1013 \ndash 1046},
}