TY - JOUR AU - C. Stepniak TI - An Effective Characterization of Schur-Convex Functions with Applications JO - Journal of convex analysis PY - 2007 SP - 103 EP - 108 VL - 14 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2007_14_1_JCA_2007_14_1_a7/ ID - JCA_2007_14_1_JCA_2007_14_1_a7 ER -