@article{Matkowski:2012,
  author  = "J. Matkowski and M. Wróbel",
  title   = "Uniformly bounded set-valued Nemytskij operators acting between generalized Hölder function spaces",
  journal = "Central European Journal of Mathematics",
  volume  = "Vol. 10",
  number  = "no 2",
  pages   = "609--618",
  year    = "2012",
}