@article{Fedyczak:2009,
  author  = "Z. Fedyczak and P. Szcześniak",
  title   = "Modelling and analysis of matrix-reactance frequency converters using voltage source matrix converter and LF transfer matrix modulation method",
  journal = "Przegląd Elektrotechniczny",
  number  = "nr 8",
  pages   = "138--143",
  year    = "2009",
}