@Misc{ 
  Ghi13,
  author = { Ghiraldin, Francesco },
  title = { Variational approximation of a functional of Mumford-Shah type in codimension higher than one },
  journal = { ESIAM: COCV },
  year = { 2013 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2076/ },
  note = { cvgmt preprint}
}