@article{Kisielewicz:1989,
  author  = "M. Kisielewicz and L. Drewnowski and L. Rybiński",
  title   = "Minimal selections and fixed point sets of multivalued contraction mappings in uniformly convex Banach spaces",
  journal = "Annales Societatis Mathematicae Polonae : Commentationes Mathematicae",
  volume  = "Vol. 29",
  pages   = "43--50",
  year    = "1989",
}