File:Gian-Carlo Rota blackboard Nizza 1970.jpg
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分类:
- International Congress of Mathematicians, 1970
- Scientists in 1970
- 1970 photographs of France
- Black and white photographs of France in the 1970s
- Blackboards in France
- Combinatorists
- People erasing blackboards
- People of the United States in 1970
- Pictures from Oberwolfach Photo Collection
- Scientists at blackboards
- Gian Carlo Rota