(Wildberger 2008). Wildberger, N. J. (2008), "Neuberg cubics over finite fields", Algebraic geometry and its applications, Ser. Number Theory Appl., vol. 5, World Sci. Publ., Hackensack, NJ, pp. 488–504, doi:10.1142/9789812793430_0027, MR2484072. See especially p. 498.
(Rigby 1988). Rigby, J. F. (1988), "Napoleon revisited", Journal of Geometry, 33 (1–2): 129–146, doi:10.1007/BF01230612, MR0963992. The discussion of isodynamic points is on pp. 138–139. Rigby calls them "Napoleon points", but that name more commonly refers to a different triangle center, the point of concurrence between the lines connecting the vertices of Napoleon's equilateral triangle with the opposite vertices of the given triangle.
(Neuberg 1885) states that this property is the reason for calling these points "isodynamic". Neuberg, J. (1885), "Sur le quadrilatère harmonique", Mathesis (journal) (in French), 5: 202–204, 217–221, 265–269{{citation}}: CS1 maint: unrecognized language (link). The definition of isodynamic points is in a footnote on page 204.
(Wildberger 2008). Wildberger, N. J. (2008), "Neuberg cubics over finite fields", Algebraic geometry and its applications, Ser. Number Theory Appl., vol. 5, World Sci. Publ., Hackensack, NJ, pp. 488–504, doi:10.1142/9789812793430_0027, MR2484072. See especially p. 498.
(Wildberger 2008). Wildberger, N. J. (2008), "Neuberg cubics over finite fields", Algebraic geometry and its applications, Ser. Number Theory Appl., vol. 5, World Sci. Publ., Hackensack, NJ, pp. 488–504, doi:10.1142/9789812793430_0027, MR2484072. See especially p. 498.
(Rigby 1988). Rigby, J. F. (1988), "Napoleon revisited", Journal of Geometry, 33 (1–2): 129–146, doi:10.1007/BF01230612, MR0963992. The discussion of isodynamic points is on pp. 138–139. Rigby calls them "Napoleon points", but that name more commonly refers to a different triangle center, the point of concurrence between the lines connecting the vertices of Napoleon's equilateral triangle with the opposite vertices of the given triangle.
(Bottema 2008); (Johnson 1917). Johnson, Roger A. (1917), "Directed angles and inversion, with a proof of Schoute's theorem", American Mathematical Monthly, 24 (7): 313–317, JSTOR2973552.