Amer Mathematical Society · Wiley
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Eigenvalues and Completeness for Regular and Simply Irregular Two-point Differential Operators | 978-0-8218-4171-6 (0-8218-4171-8) | 2008 |
| Functional analysis and two-point differential operators | 978-0-470-20382-8 (0-470-20382-X) | 1986 |
| Spectral Theory of Non-Self-Adjoint Two-Point Differential Operators | 978-0-8218-2049-0 (0-8218-2049-4) | 1999 |