- Author: Poincare H.
- Language: French
- Year: 1907
- Author: Poincare H.
- Language: French
- Year: 1909
Oeuvres
djvu
- Author: Poincare H.
- Language: French
- Year: 1928
Oeuvres
djvu
- Author: Poincare H.
- Language: French
- Year: 1954
- Author: Пуанкаре А. (Poincare H.)
- Language: Русский
- Year: 1900