@article{Fedyczak:2002,
  author  = "Z. Fedyczak and R. Strzelecki and M. Klytta",
  title   = "Single-phase AC/AC semiconductor transformer topologies and applications",
  journal = "Technicna Elektrodinamika",
  number  = "no 1",
  pages   = "29--34",
  year    = "2002",
}