@article{Fedyczak:2003,
  author  = "Z. Fedyczak",
  title   = "Steady state modelling of the bipolar PWM AC line matrix-reactance choppers based on Ĉuk topologies",
  journal = "Archives of Electrical Engineering",
  volume  = "Vol. 52",
  number  = "no 3",
  pages   = "303--316",
  year    = "2003",
}