@Article{ 
  ambfuspal96,
  author = { Ambrosio, Luigi and Fusco, Nicola and Pallara, Diego },
  title = { Higher Regularity of Solutions of Free Discontinuity Problems },
  journal = { Diff. Int. Eqs. },
  year = { 1999 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/516/ },
  note = { cvgmt preprint}
}