@Misc{ 
  BeElPaSc19,
  author = { Bellettini, Giovanni and Elshorbagy, Alaa and Paolini, Maurizio and Scala, Riccardo },
  title = { On the relaxed area of the graph of discontinuous maps from the plane to the plane taking three values with no symmetry assumptions },
  journal = {  },
  year = { 2019 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4179/ },
  note = { cvgmt preprint}
}