@Misc{ 
  ArrBon21,
  author = { Arroyo-Rabasa, Adolfo and Bonicatto, Paolo },
  title = { A Bourgain-Brezis-Mironescu representation for functions with bounded
  deformation },
  journal = {  },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5169/ },
  note = { cvgmt preprint}
}