Chú thích Định_lý_Pascal

  1. 1 2 Johnson, R. A. Modern Geometry: An Elementary Treatise on the Geometry of the Triangle and the Circle. Boston, MA: Houghton Mifflin, pp. 236-237, 1929.
  2. ↑ Cremona, L. "Osservazioni sull'hexagrammum mysticum." Transunti della R. Acc. Nazionale dei Lincei 1, 142-143, 1876-77.
  3. ↑ ohnson, R. A. Modern Geometry: An Elementary Treatise on the Geometry of the Triangle and the Circle. Boston, MA: Houghton Mifflin, pp. 236-237, 1929.
  4. ↑ Steiner, J. "Questions proposées. Théorèmes sur l'hexagramum mysticum." Ann. Math. 18, 339-340, 1827-1828.
  5. ↑ Salmon, G. "Notes: Pascal's Theorem, Art. 267" in A Treatise on Conic Sections, 6th ed. New York: Chelsea, pp. 379-382, 1960.
  6. ↑ http://mathworld.wolfram.com/SalmonPoints.html
  7. ↑ A. Cayley, On the Intersection of Curves (published by Cambridge University Press, Cambridge, 1889).
  8. ↑ “A Property of Pascal's Hexagon Pascal May Have Overlooked”. ngày 3 tháng 2 năm 2014.

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