The sharp upper bound on the distance between a parametric patch and its interpolated triangle.

Renjiang Zhang Guojin Wang The sharp upper bound on the distance between a parametric patch and its interpolated triangle. 113-119 2008 51 Science in China Series F: Information Sciences 2 http://dx.doi.org/10.1007/s11432-008-0018-0 db/journals/chinaf/chinaf51.html#ZhangW08