Whence does an ellipse look like a circle?

C. R. Math. Rep. Acad. Sci. Canada Vol. 20 (4) 1998, pp. 124–127
(Received: 1998-03-23 )

H.S.M. Coxeter

Abstract/Résumé:

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Keywords:

AMS Subject Classification: Elementary problems in Euclidean geometries 51M04

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