A research on the influence of the B-spline order on the surface appearance
... article considers the effect of the order of B-splines on the appearance of surface and smoothness degree. The surfaces based on B-splines of 2 x 2, 3 x 3, and 5 x 5 orders are presented.
Кochinа A., Slobodyanyuk M
B-splines, programming, modeling, smooth surfaces, computer graphics.
124-126