Portrait of Russian mathematician Nikolai Lobachevsky. Reproduction.
- Categories: Arts, Culture & Entertainment
- Location: Russia
- Event date: 01.01.1970
- Date published: 29.07.2009
- Author: Vladimir Vdovin
- Source: Sputnik
- Credit: Sputnik
- Original: A70-2544, 6x9 slide
- Media: JPEG, 3544x4380px, 4.9Mb