@Article{ 
  mgopma02,
  author = { Gori, Michele and Marcellini, Paolo },
  title = { An extension of the Serrin's lower semicontinuity theorem },
  journal = { J. Convex Anal. },
  year = { 2002 },
  volume = { 9 },
  number = { 2 },
  pages = { 475-502 },
  URL = { http://cvgmt.sns.it/paper/519/ },
  note = { cvgmt preprint}
}