BibTeX

@ARTICLE{iumj4441,
    author = "Andrea Cianchi and Monia Randolfi",
     title = "On the modulus of continuity of weakly differentiable functions",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 60,
      year = 2011,
     issue = 6,
     pages = "1939--1974",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "46E35; 46E30;",
}

amsrefs

\bib{iumj4441}{article}{
     author = {Cianchi, Andrea},
     author = {Randolfi, Monia},
      title = {On the modulus of continuity of weakly differentiable functions},
    journal = {Indiana Univ. Math. J.},
     volume = {60},
       year = {2011},
     number = {6},
      pages = {1939 \ndash 1974},
}