@article{Kulawik:2016,
  author  = "A. Kulawik and S. Zontek",
  title   = "Robust estimation in the multivariate normal model",
  journal = "Discussiones Mathematicae : Probability and Statistics",
  volume  = "Vol. 36",
  number  = "no. 1-2",
  pages   = "53--66",
  year    = "2016",
}