@Article{ 
  FraVal12,
  author = { Franzina, Giovanni and Valdinoci, Enrico },
  title = { Geometric analysis of fractional phase transition interfaces },
  journal = { Springer INdAM Series },
  year = { 2012 },
  pages = { 18 },
  URL = { http://cvgmt.sns.it/paper/1782/ },
  note = { cvgmt preprint}
}