@phdthesis{Ricker2003,
  author      = {Sabine Ricker},
  title       = {Semiarithmetische Fuchssche Gruppen und modulare Einbettungen},
  type        = {doctoralthesis},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2003},
}