%0 Journal Article %A Miklós Hoffmann %T On the derivatives of a special family of B-spline curves %J Annales mathematicae et informaticae %D 2001 %P 61-68 %V 28 %I mathdoc %U http://geodesic.mathdoc.fr/item/AMI_2001_28_a7/ %G en %F AMI_2001_28_a7