@article{Dudek:2005,
  author  = "J. Dudek",
  title   = "Emperor Otto III's "advent" at Gniezno in March 1000 : as evidence of the presence of the Byzantine creemonials at the first Piasts' court?",
  journal = "Byzantinoslavica: revue internationale des études byzantines",
  volume  = "T. 63",
  pages   = "117--130",
  year    = "2005",
  note = "",
}