@phdthesis{Sulzbach2012,
  author      = {Henning Sulzbach},
  title       = {On a functional contraction method},
  type        = {doctoralthesis},
  pages       = {II, 124},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2012},
}