@article{Zmyślony:2002,
  author  = "R. Zmyślony and S. Zontek",
  title   = "Robust M-estimator of parameters in variance components model",
  journal = "Discussiones Mathematicae : Probability and Statistics",
  volume  = "Vol. 22",
  number  = "no 1,2",
  pages   = "61--71",
  year    = "2002",
}