TY - JOUR AU - Chris Lennard TI - A new convexity property that implies a fixed point property for $L_{1}$ JO - Studia Mathematica PY - 1991 SP - 95 EP - 108 VL - 100 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-100-2-95-108/ DO - 10.4064/sm-100-2-95-108 LA - en ID - 10_4064_sm_100_2_95_108 ER -