@Misc{ 
  AmbPinSpe14,
  author = { Ambrosio, Luigi and Pinamonti, Andrea and Speight, Gareth },
  title = { Weighted Sobolev Spaces on Metric Measure Spaces },
  journal = { J. Reine Angew. Math. },
  year = { 2015 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2456/ },
  note = { cvgmt preprint}
}