%0 Journal Article %A Alejandro Illanes %T The space of Whitney levels is homeomorphic to $l_2$ %J Colloquium Mathematicum %D 1993 %P 1-11 %V 65 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-65-1-1-11/ %R 10.4064/cm-65-1-1-11 %G en %F 10_4064_cm_65_1_1_11