1. Handbook of Mathematical Functions;Abramowitz,1972
2. Interpolation & Approximation;Davis,1975
3. Pythagorean-hodograph curves in practical use;Farouki,1992
4. Analysis of the offset to a parabola;Farouki;Computer Aided Geometric Design,1995
5. Complex Variables—Harmonic and Analytic Functions;Flanigan,1988