@Misc{ 
  fpa02,
  author = { Paronetto, Fabio },
  title = { Existence results for a class of evolution equations of mixed type },
  journal = {  },
  year = { 2002 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1230/ },
  note = { cvgmt preprint}
}