@Article{ 
  dra07,
  author = { Dragoni, Federica },
  title = { Metric Hopf-Lax formula with semicontinuous data },
  journal = { Discrete and Continuous Dynamical Systems },
  year = { 2007 },
  volume = { 17 },
  number = { 4 },
  pages = { 713-729 },
  URL = { http://cvgmt.sns.it/paper/489/ },
  note = { cvgmt preprint}
}