@Article{ 
  PraRad17a,
  author = { Pratelli, Aldo and Radici, Emanuela },
  title = { Approximation of planar BV homeomorphisms by diffeomorphisms },
  journal = { Journal of Functional Analysis },
  year = { 2019 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3521/ },
  note = { cvgmt preprint}
}