@article{Szcześniak:2009,
  author  = "P. Szcześniak and Z. Fedyczak",
  title   = "Modelling and analysis of matrix - reactance frequency converter based on Ćuk topology by DQ0 transformation",
  journal = "Przegląd Elektrotechniczny",
  number  = "nr 2",
  pages   = "125--130",
  year    = "2009",
}