@Article{ 
  belnovpao01a,
  author = { Bellettini, Giovanni and Novaga, Matteo and Paolini, Maurizio },
  title = { On a crystalline variational problem, part II: $BV$-regularity and structure of minimizers on facets },
  journal = { Arch. Rational Mech. Anal. },
  year = { 2001 },
  volume = { 157 },
  number = { 3 },
  pages = { 193-217 },
  URL = { http://cvgmt.sns.it/paper/127/ },
  note = { cvgmt preprint}
}