@article{M2AN_1992__26_1_177_0, author = {Dyn, N. and Levin, D. and Yad-Shalom, I.}, title = {Conditions for regular $B$-spline curves and surfaces}, journal = {ESAIM: Mathematical Modelling and Numerical Analysis - Mod\'elisation Math\'ematique et Analyse Num\'erique}, volume = {26}, year = {1992}, pages = {177-190}, mrnumber = {1155006}, zbl = {0755.41009}, language = {en}, url = {http://dml.mathdoc.fr/item/M2AN_1992__26_1_177_0} }
Dyn, N.; Levin, D.; Yad-Shalom, I. Conditions for regular $B$-spline curves and surfaces. ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Tome 26 (1992) pp. 177-190. http://gdmltest.u-ga.fr/item/M2AN_1992__26_1_177_0/
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