@article{Kranz:2015,
  author  = "R. Kranz and A. Rzepka",
  title   = "On the approximation of functions from Lp by some special matrix means of Fourier series",
  journal = "Fasciculi Mathematici",
  volume  = "Nr 55",
  pages   = "81--90",
  year    = "2015",
}