| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Topological Nonlinear Analysis: Degree, Singularity, and Variations | 978-0-8176-3742-2 (0-8176-3742-7) | 1994 | Alfonso Vignoli |
| Topological Nonlinear Analysis II: Degree, Singularity, and Variations | 978-0-8176-3886-3 (0-8176-3886-5) | 1997 | " |