Jacob Steiner's Vorlesungen über synthetische Geometrie, B. G. Teubner, Leipzig 1867 (from Google Books: (German) Part II follows Part I) Part II, pg. 96
According to Plutarch, this solution was rejected by Plato on the grounds that it could not be achieved using only straightedge and compass, however this interpretation of Plutarch's statement has come under criticism. Boyer 2004, p.14, footnote 14. Boyer, Carl B. (2004) [1956], History of Analytic Geometry, Dover, ISBN978-0-486-43832-0
Korn, G. A., & Korn, T. M., Mathematical Handbook for Scientists and Engineers: Definitions, Theorems, and Formulas for Reference and Review (Mineola, NY: Dover Publications, 1961), p. 42.
Berger, M., Geometry Revealed: A Jacob's Ladder to Modern Higher Geometry (Berlin/Heidelberg: Springer, 2010), p. 127.
doi.org
Wilczynski, E. J. (1916), "Some remarks on the historical development and the future prospects of the differential geometry of plane curves", Bull. Amer. Math. Soc., 22 (7): 317–329, doi:10.1090/s0002-9904-1916-02785-6.