%0 Journal Article %A Riccardo Camerlo %T Universal analytic preorders arising from surjective functions %J Fundamenta Mathematicae %D 2005 %P 193-212 %V 187 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm187-3-1/ %R 10.4064/fm187-3-1 %G en %F 10_4064_fm187_3_1