1. Computer Graphics;Zhang,2005
2. Numerical analysis;Burden,2015
3. Cockshott A, Walters FB, Emtage O. A treatise on geometrical conics…, 1897.
4. Demengel G, Pouget J-P. Mathématiques des courbes et des surfaces: Modeles de Bézier, des B-Splines et des NURBS, Ellipses, 1998.
5. High-order approximation of conic sections by quadratic splines;Floater;Comput Aided Geom Design,1995