@Article{ 
  MarNguVit11,
  author = { Marigonda, Antonio and Nguyen, Tien Khai and Vittone, Davide },
  title = { Some regularity results for a class of upper semicontinuous functions },
  journal = { Indiana Univ. Math. J. },
  year = { 2013 },
  volume = { 62 },
  number = { 1 },
  pages = { 45--89 },
  URL = { http://cvgmt.sns.it/paper/1701/ },
  note = { cvgmt preprint}
}