| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Twistor geometry and non-linear systems: Review lectures given at the 4th Bulgarian Summer School on Mathematical Problems of Quantum Field Theory, ... September 1980 | 978-O-387-11972-4 (O-387-11972-8) | 1982 | H.D. |