| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Differential Equations with Small Parameters and Relaxation Oscillations | Paperback | 978-1-4615-9048-4 (1-4615-9048-5) | 2013 |
| Differential Equations with Small Parameters and Relaxation Oscillations | Hardcover | 978-0-306-39253-5 (0-306-39253-4) | 1980 |