File:Gauss New General Investigations of Curved Surfaces Fig 2.png

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English: Diagram from Gauss' original proof of the Gauss-Bonnet theorem.
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: General Investigations of Curved Surfaces, by Carl Friedrich Gauss, translated into English by Adam Miller Hiltebeitel and James Caddall Morehead.djvu
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Author Carl Friedrich Gauss, Adam Miller Hiltebeitel, James Caddall Morehead

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