@Misc{ 
  ambcarmas10,
  author = { Ambrosio, Luigi and Carlotto, Alessandro and Massaccesi, Annalisa },
  title = { Lectures on Elliptic Partial Differential Equations },
  journal = {  },
  year = { 2010 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1280/ },
  note = { cvgmt preprint}
}