| Titel | ISBN-13 (ISBN-10) | Erschei- nungsjahr | andere Autoren |
|---|---|---|---|
| Operator Theory and Indefinite Inner Product Spaces: Presented on the Occasion of the Retirement of Heinz Langer in the Colloquium on Operator Theory, ... Advances and Applications , Band 163) | 978-3-7643-7515-7 (3-7643-7515-9) | 2006 | Matthias Langer · Harald Woracek |