@Misc{ 
  BiaSci12,
  author = { Biagini, Michele and Scianna, Giuseppe },
  title = { On a One-Phase Stefan Problem },
  journal = {  },
  year = { 2012 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1903/ },
  note = { cvgmt preprint}
}