1. Ahn, Y.: Conic approximation of plane curves. Comput. Aided Des. 33(12), 867–872 (2001)
2. Bajaj, C., Xu, G.: Piecewise rational approximation of real algebraic curves. J. Comput. Math. 15(1), 55–71 (1997)
3. Bazarra, M., Sherali, H., Shetty, C.: Non-linear Programming: Theory and Algorithms. Wiley, New York (1993)
4. Blomgren, R., Fuhr, R.: Algorithm to convert between rational b-spline and rational Bézier representation of curves and surfaces. Boeing Commercial Airplane Company, Renton, WA (16) (1982)
5. de Boor, C., Höllig, K., Sabin, M.: High accuracy geometric hermite interpolation. Comput. Aided Geom. Des. 4(4), 269–278 (1987)