| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Quaternionic Contact Einstein Structures and the Quaternionic Contact Yamabe Problem | 978-O-8218-9843-7 (O-8218-9843-4) | 2014 | Stefan Ivanov · Ivan Minchev |
Dimiter Wassilew · Dimitri Vassilevich · Dmitri Vassilevich · Dmitri Vassiliev