@article{Fedyczak:2006,
  author  = "Z. Fedyczak and L. Frąckowiak and M. Jankowski",
  title   = "A serial AC voltage controller using bipolar matrix-reactance chopper",
  journal = "COMPEL : The International Journal for Computation and Mathematics in Electrical and Electronic Engineering",
  volume  = "Vol. 25",
  number  = "no 1",
  pages   = "244--258",
  year    = "2006",
}