| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| The Mountain Pass Theorem: Variants, Generalizations and Some Applications | Paperback | 978-1-107-40333-8 (1-107-40333-2) | 2011 |
| The Mountain Pass Theorem: Variants, Generalizations and Some Applications | Hardcover | 978-0-521-82721-8 (0-521-82721-3) | 2003 |