%0 Journal Article %A James Hirschorn %T Towers of measurable functions %J Fundamenta Mathematicae %D 2000 %P 165-192 %V 164 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-164-2-165-192/ %R 10.4064/fm-164-2-165-192 %G en %F 10_4064_fm_164_2_165_192