| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A A Friedmann: Centenary Volume: Proceedings of the Friedmann Centenary Conference: Leningrad, USSR: June 22-26, 1988 | 978-9971-5-0899-9 (9971-5-0899-0) | 1990 | V. A. Berezin |
| Proceedings of the Third Seminar on Quantum Gravity, October 23-25, 1984, Moscow, USSR | 978-9971-978-90-7 (9971-978-90-3) | 1986 | " |
| Quantum Gravity: Proceedings of the 4th Seminar on Quantum Gravity. Moscow,USSR May 25-29, 1987 | 978-9971-5-0409-0 (9971-5-0409-X) | 1988 | " |