@Article{ 
  amb00,
  author = { Ambrosio, Luigi },
  title = { Some Fine Properties of Sets of Finite Perimeter in Ahlfors Regular Metric Measure Spaces },
  journal = { Advances in Mathematics },
  year = { 2001 },
  number = { 159 },
  pages = { 51-67 },
  URL = { http://cvgmt.sns.it/paper/828/ },
  note = { cvgmt preprint}
}