%0 Journal Article %A Vlastimil Pták %T On a theorem of Mazur and Orlicz %J Studia Mathematica %D 1955 %P 365-366 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-15-3-365-366/ %R 10.4064/sm-15-3-365-366 %G pl %F 10_4064_sm_15_3_365_366