TY - JOUR AU - A. Zachos TI - A Weighted Steiner Minimal Tree for Convex Quadrilaterals on the Two-Dimensional K-Plane JO - Journal of convex analysis PY - 2011 SP - 139 EP - 152 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2011_18_1_JCA_2011_18_1_a6/ ID - JCA_2011_18_1_JCA_2011_18_1_a6 ER -