%0 Journal Article %A R. Sikorski %T On a theorem of Mazur and Orlicz %J Studia Mathematica %D 1953 %P 180-182 %V 13 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-13-2-180-182/ %R 10.4064/sm-13-2-180-182 %G pl %F 10_4064_sm_13_2_180_182