Wang, Guojin, and Wei Xu. “The Termination Criterion for Subdivision of the Rational Bézier Curves”. CVGIP: Graphical Models and Image Processing, vol. 53, no. 1, 1991, pp. 93-96, https://doi.org/10.1016/1049-9652(91)90023-d.
Wang, G., & Xu, W. (1991). The termination criterion for subdivision of the rational Bézier curves. CVGIP: Graphical Models and Image Processing, 53(1), 93-96. https://doi.org/10.1016/1049-9652(91)90023-d
Wang G, Xu W. The termination criterion for subdivision of the rational Bézier curves. CVGIP: Graphical Models and Image Processing. 1991;53(1):93-6.