@Misc{ 
  Par14,
  author = { Paronetto, Fabio },
  title = { A Harnack's inequality for mixed type evolution equations },
  journal = {  },
  year = { 2014 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2469/ },
  note = { cvgmt preprint}
}