Computing the minimum distance between a point and a clamped B-spline surface.

Xiao-Diao Chen Gang Xu Jun-Hai Yong Guozhao Wang Jean-Claude Paul Computing the minimum distance between a point and a clamped B-spline surface. 107-112 2009 71 Graphical Models 3 http://dx.doi.org/10.1016/j.gmod.2009.01.001 db/journals/cvgip/cvgip71.html#ChenXYWP09