@Misc{ 
  CriGra20a,
  author = { Cristoferi, Riccardo and Gravina, Giovanni },
  title = { On the relaxation of functionals with contact terms on non-smooth  domains },
  journal = { Indiana University Mathematics Journal },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4852/ },
  note = { cvgmt preprint}
}