@Article{ 
  AmbGhi12,
  author = { Ambrosio, Luigi and Ghiraldin, Francesco },
  title = { Compactness of special functions of bounded higher variation },
  journal = { Analysis and Geometry in Metric Spaces },
  year = { 2012 },
  doi = { 10.2478/agms-2012-0001 },
  volume = { 1 },
  pages = { 1–30 },
  URL = { http://cvgmt.sns.it/paper/1997/ },
  note = { cvgmt preprint}
}