@Misc{ 
  arecarmon09,
  author = { Arena, Gabriella and Caruso, Andrea Orazio and Monti, Roberto },
  title = { "Regularity properties of $H$--convex sets" },
  journal = { J. Geom. Analysis },
  year = { 2010 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1354/ },
  note = { cvgmt preprint}
}