Cornell University Library Historical Math Monographs
- Trilinear coordinates and other methods of modern analytical geometry of two dimensions
- 1866, 154-163
Chapter XII: Sections of cones
First available in Project Euclid: 12 January 2010
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Whitworth, William Allen. Chapter XII: Sections of cones. Trilinear coordinates and other methods of modern analytical geometry of two dimensions, 154--163, Deighton, Bell, and Co, Cambridge, 1866. https://projecteuclid.org/euclid.chmm/1263315817