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Geometrical Problems in the Properties of the Conic Sections/en-ca/geometrical-problems-in-the-properties-of-the-conic-sections/CD1DB0D6-4E4E-4CC2-A40E-19B9239FDD26.htmlCD1DB0D6-4E4E-4CC2-A40E-19B9239FDD26
Geometrical Problems in the Properties of the Conic Sections - Primary Source Edition