TY - JOUR AU - S. Rolewicz TI - On ∆-uniform convexity and drop property JO - Studia Mathematica PY - 1987 SP - 181 EP - 191 VL - 87 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-87-2-181-191/ DO - 10.4064/sm-87-2-181-191 LA - en ID - 10_4064_sm_87_2_181_191 ER -