| Titel | ISBN-13 (ISBN-10) | Erschei- nungsjahr | andere Autoren |
|---|---|---|---|
| Anniversary Volume on Approximation Theory and Functional Analysis | 978-3-0348-5434-4 (3-0348-5434-X) | 2014 | P. L. Butzer · B. Sz.-Nagy |
| Anniversary Volume on Approximation Theory and Functional Analysis: Conference: Papers | 978-3-7643-1574-0 (3-7643-1574-1) | 1984 | P. L. Butzer · B. Sz.-Nagy |