@Article{ 
  monvit09,
  author = { Monti, Roberto and Vittone, Davide },
  title = { Sets with finite $\mathbb H$-perimeter and controlled normal },
  journal = { Math. Z. },
  year = { 2012 },
  volume = { 270 },
  number = { 1-2 },
  pages = { 351-367 },
  URL = { http://cvgmt.sns.it/paper/656/ },
  note = { cvgmt preprint}
}