%0 Journal Article %A Takuo Fukuda %T Local Topological Properties of Differentiable Mappings. I. %J Inventiones mathematicae %D 1981 %P 227-250 %V 65 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1981__65_142849/ %F IM_1981__65_142849