Gray, A. (1998). Modern differential geometry of curves and surfaces with Mathematica (2nd ed.). Boca Raton, Florida Boston: CRC Press.
Παραπομπή Chicago StyleGray, Alfred. Modern Differential Geometry of Curves and Surfaces With Mathematica. 2nd ed. Boca Raton, Florida Boston: CRC Press, 1998.
Παραπομπή MLAGray, Alfred. Modern Differential Geometry of Curves and Surfaces With Mathematica. 2nd ed. Boca Raton, Florida Boston: CRC Press, 1998.
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