@article{Fedyczak:2001,
  author  = "Z. Fedyczak",
  title   = "Four-terminal chain parameters of averaged AC models of non-isolated matrix-reactance PWM AC line conditioners",
  journal = "Archives of Electrical Engineering",
  volume  = "Vol. 50",
  number  = "no 4",
  pages   = "395--409",
  year    = "2001",
}