B. L. · Barbara L. · Barbara Lee Keyfitz
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Nonlinear Evolution Equations That Change Type | 978-0-387-97353-1 (0-387-97353-2) | 1990 | Michael Shearer | |
| Nonlinear Evolution Equations that Change Type | 978-3-540-97353-9 (3-540-97353-2) | 1990 | " |