Conditions for regular $B$-spline curves and surfaces
ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Volume 26 (1992) no. 1, p. 177-190
@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},
publisher = {Dunod},
volume = {26},
number = {1},
year = {1992},
pages = {177-190},
zbl = {0755.41009},
mrnumber = {1155006},
language = {en},
url = {http://www.numdam.org/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, Volume 26 (1992) no. 1, pp. 177-190. http://www.numdam.org/item/M2AN_1992__26_1_177_0/

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