%0 Journal Article %A Alejandro Illanes %T A characterization of dendroids by the n-connectedness of the Whitney levels %J Fundamenta Mathematicae %D 1991 %P 157-174 %V 140 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-140-2-157-174/ %R 10.4064/fm-140-2-157-174 %G en %F 10_4064_fm_140_2_157_174