TY - JOUR AU - S. Rolewicz TI - On drop property JO - Studia Mathematica PY - 1987 SP - 17 EP - 35 VL - 85 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-85-1-17-35/ DO - 10.4064/sm-85-1-17-35 LA - en ID - 10_4064_sm_85_1_17_35 ER -