%0 Journal Article %A Charles A. Micchelli %A Nira Dyn %T Piecewise Polynomial Spaces and Geometric Continuity of Curves. %J Numerische Mathematik %D 1989 %P 319-338 %V 54 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1989__54_3_133321/ %F NUMA_1989__54_3_133321