普萊費爾公理
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參考文獻
Dunham, W. "Hippocrates' Quadrature of the Lune." Ch. 1 in Journey through Genius: The Great Theorems of Mathematics. New York: Wiley, p. 54, 1990.Henderson, D. W. Experiencing Geometry: On Plane and Sphere. Englewood Cliffs, NJ: Prentice-Hall, 1995.Playfair, J. Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Circle and the Geometry of Solids to which are added Elements of Plane and Spherical Trigonometry. New York: W. E. Dean, 1861.在 中被引用
普萊費爾公理如此引用
Weisstein, Eric W. "普萊費爾公理。" 來自 網路資源。 https://mathworld.tw/PlayfairsAxiom.html