%0 Journal Article %A Carlos Uzcátegui %T On the complexity of subspaces of $S_{\omega} $ %J Fundamenta Mathematicae %D 2003 %P 1-16 %V 176 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm176-1-1/ %R 10.4064/fm176-1-1 %G en %F 10_4064_fm176_1_1