TY - JOUR AU - I. Franjic TI - Schur-Convexity of a General Closed Four-Point Quadrature Formula JO - Journal of convex analysis PY - 2018 SP - 767 EP - 78 VL - 25 IS - 3 UR - http://geodesic.mathdoc.fr/item/JCA_2018_25_3_JCA_2018_25_3_a3/ ID - JCA_2018_25_3_JCA_2018_25_3_a3 ER -