%0 Journal Article %A A. Zachos %T A Weighted Steiner Minimal Tree for Convex Quadrilaterals on the Two-Dimensional K-Plane %J Journal of convex analysis %D 2011 %P 139-152 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2011_18_1_JCA_2011_18_1_a6/ %F JCA_2011_18_1_JCA_2011_18_1_a6