TY - JOUR AU - Stanisława Kanas AU - Toshiyuki Sugawa TI - Sharp norm estimate of Schwarzian derivative for a class of convex functions JO - Annales Polonici Mathematici PY - 2011 SP - 75 EP - 86 VL - 101 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap101-1-8/ DO - 10.4064/ap101-1-8 LA - en ID - 10_4064_ap101_1_8 ER -