TY - JOUR AU - R. Sikorski TI - On a theorem of Mazur and Orlicz JO - Studia Mathematica PY - 1953 SP - 180 EP - 182 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-13-2-180-182/ DO - 10.4064/sm-13-2-180-182 LA - pl ID - 10_4064_sm_13_2_180_182 ER -