@Article{ 
  Neg12,
  author = { Negri, Matteo },
  title = { From phase-field to sharp crack: convergence of quasi-static evolutions in a special setting },
  journal = { Appl. Math. Lett.  },
  year = { 2013 },
  volume = { 26 },
  pages = { 219-224 },
  URL = { http://cvgmt.sns.it/paper/1878/ },
  note = { cvgmt preprint}
}