TY - JOUR AU - Y. Chu AU - X. Zhang AU - G. Wang TI - The Schur Geometrical Convexity of the Extended Mean Values JO - Journal of convex analysis PY - 2008 SP - 707 EP - 718 VL - 15 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2008_15_4_JCA_2008_15_4_a3/ ID - JCA_2008_15_4_JCA_2008_15_4_a3 ER -