| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Methods of Intermediate Problems for Eigenvalues: Theory and Ramifications, Volume 89 | 978-O-12-74245O-7 (O-12-74245O-4) | 1972 | A. Weinstein |
W.S. · Werner Stenger · Wif Stenger · Wolf Stenger