A CHARACTERIZATION OF PARABOLA
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Yu, Yanhua
(DEPARTMENT OF MATHEMATICS NORTHEASTERN UNIVERSITY)
Liu, Huili (DEPARTMENT OF MATHEMATICS NORTHEASTERN UNIVERSITY) |
1 | M. P. Do Carmo, Differential Geometry of Curves and Surfaces, Prentice-Hall, New Jerse, 1976 |
2 | D.-S. Kim and Y. H. Kim, A characterization of ellipses, Amer. Math. Monthly 114 (2007), no. 1, 66-70 DOI |
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