W F · W. Fenchel · Werner F.
| Titel | ISBN-13 (ISBN-10) | Erschei- nungsjahr | andere Autoren |
|---|---|---|---|
| Discontinuous Groups of Isometries in the Hyperbolic Plane | 978-3-11-017526-4 (3-11-017526-6) | 2002 | Jakob Nielsen |
| Elementary Geometry in Hyperbolic Space | 978-3-11-011734-9 (3-11-011734-7) | 1989 | |