Circular points at infinity (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Circular points at infinity" in English language version.

refsWebsite

Global rank English rank

6^th place

6^th place

459^th place

360^th place

archive.org

Whitworth William Allen (1866). Trilinear Coordinates and Other Methods of Modern Analytical Geometry of Two Dimensions. Deighton Bell And Company. p. 127. Retrieved 8 December 2021.

umich.edu

quod.lib.umich.edu

Duncan Sommerville (1914) Elements of Non-Euclidean Geometry, page 157, link from University of Michigan Historical Math Collection