%0 Journal Article
%A M. Hoffmann
%A I. Juhasz
%T Geometric Aspects of Knot Modification of B-spline Surfaces
%J Journal for geometry and graphics
%D 2002
%P 141-15
%V 6
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2002_6_2_a3/
%F JGG_2002_6_2_a3