@Misc{ 
  FrHoMoPa21,
  author = { Freddi, Lorenzo and Hornung, Peter and Mora, Maria Giovanna and Paroni, Roberto },
  title = { Stability of boundary conditions for the Sadowsky functional },
  journal = {  },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5354/ },
  note = { cvgmt preprint}
}