Orthocentric system (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Orthocentric system" in English language version.

refsWebsite

Global rank English rank

2hathitrust.org

441^st place

311^th place

low place

9,567^th place

2^nd place

2^nd place

513^th place

537^th place

doi.org

Kocik, Jerzy; Solecki, Andrzej (2009). "Disentangling a triangle" (PDF). American Mathematical Monthly. 116 (3): 228–237. doi:10.1080/00029890.2009.11920932.

hathitrust.org

babel.hathitrust.org

Johnson 1929, p. 182. Johnson, Roger A. (1929). Modern Geometry: An Elementary Treatise on the Geometry of the Triangle and the Circle. Houghton Mifflin. Republished as Advanced Euclidean Geometry. Dover. 1960; 2007. See especially Chapter IX. Three Notable Points.
Johnson 1929, p. 177. Johnson, Roger A. (1929). Modern Geometry: An Elementary Treatise on the Geometry of the Triangle and the Circle. Houghton Mifflin. Republished as Advanced Euclidean Geometry. Dover. 1960; 2007. See especially Chapter IX. Three Notable Points.

siu.edu

lagrange.math.siu.edu

Kocik, Jerzy; Solecki, Andrzej (2009). "Disentangling a triangle" (PDF). American Mathematical Monthly. 116 (3): 228–237. doi:10.1080/00029890.2009.11920932.

wolfram.com

mathworld.wolfram.com

Weisstein, Eric W. "Orthocentric System." From MathWorld--A Wolfram Web Resource. [1]