%0 Journal Article %A Szymon Plewik %T On subspaces of the Pixley-Roy example %J Colloquium Mathematicum %D 1981 %P 41-46 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-44-1-41-46/ %R 10.4064/cm-44-1-41-46 %G en %F 10_4064_cm_44_1_41_46