@article{Kisielewicz:1996,
  author  = "A. Kisielewicz",
  title   = "Relaxation theorem for-set valued functions with decomposable values",
  journal = "Discussiones Mathematicae : Differential Inclusions",
  volume  = "Vol. 16",
  number  = "no 1",
  pages   = "91--97",
  year    = "1996",
}