; Askey, Richard; Roy, Ranjan 1999 | "The History of the Solution of the Cubic Equation" |
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Nelson, Roger, "Euler's triangle inequality via proof without words," Mathematics Magazine 81 1 , February 2008, 58-61 | 3 in Introduction to Geometry, 2nd ed |
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5The Secrets of Triangles, Prometheus Books, 2012 | "The History of the Solution of the Cubic Equation", Mathematics News Letter 5 4 , p |
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"Inversion in a Circle" and "Inversion of Lines and Circles | 10 in Modern Geometry: The Straight Line and Circle |
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in modern notation, with introductory chapters | Springer, Berlin Heidelberg New York 2007, , S |
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See in particular the bottom of p.
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