@article{Acosta:2010,
  author  = "A. Acosta and W. Aziz and J. Matkowski and N. Merentes",
  title   = "Uniformly continuous composition operator in the space of \fi-variation functions in the sense of Riesz",
  journal = "Fasciculi Mathematici",
  volume  = "Nr 43",
  pages   = "5--10",
  year    = "2010",
}