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- Year: 2001
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- Year: 1980
- Author: D. Kletenik
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- Author: Alekseĭ Vasilʹevich Pogorelov
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- Year: 1954
Convex Figures
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- Author: I. M. Yaglom V. G. Boltyanskii
- Language: English
- Year: 1961
- Author: I. Todhunter
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- Year: 1886
- Author: Pietro Giuseppe Fré
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- Year: 2023
- Author: Justus Günter Grossmann
- Language: German
- Year: 1824