%0 Journal Article %A S. Rolewicz %T On projections on subspaces of codimension one %J Studia Mathematica %D 1990 %P 17-19 %V 96 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-96-1-17-19/ %R 10.4064/sm-96-1-17-19 %G en %F 10_4064_sm_96_1_17_19