@Misc{ 
  belcasmar09,
  author = { Bellettini, Giovanni and Caselli, Federica and Mariani, Mauro },
  title = { Quasi-potentials of the entropy functionals for scalar conservation laws },
  journal = { J. Functional Anal. },
  year = { 2009 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/616/ },
  note = { cvgmt preprint}
}