@phdthesis{Beise2011,
  author      = {Hans-Peter Beise},
  title       = {Universal and Frequently Universal Functions of Exponential Type},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-a15c-3c5f},
  year        = {2011},
}