Professors Mstislav Keldysh and Nikolai Bogolyubov as deputies during the forth session of the U.S.S.R. Supreme Soviet of the ninth convocation.
- Categories: Science & Technology
- Location: Moscow, Russia
- Event date:
- Date published:
- Author: Vladimir Akimov
- Credit: Sputnik
- Source: Sputnik
- Original: А75-11823, 35 mm film
- Media: JPEG, 3000x2116px, 2.3Mb