@Article{ 
  muc01,
  author = { Mucci, Domenico },
  title = { Relaxation of variational functionals with piecewise constant growth conditions },
  journal = { J. Convex Anal. },
  year = { 2003 },
  volume = { 10 },
  number = { 2 },
  pages = { 295-324 },
  URL = { http://cvgmt.sns.it/paper/734/ },
  note = { cvgmt preprint}
}