@phdthesis{Zimmer2025,
  author      = {Sebastian Zimmer},
  title       = {Comparing Operators Acting on Different Hilbert Spaces},
  type        = {doctoralthesis},
  pages       = {VIII, 118},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-37e3-9315-f239},
  year        = {2025},
}