TY - JOUR AU - Takuo Fukuda TI - Local Topological Properties of Differentiable Mappings. I. JO - Inventiones mathematicae PY - 1981 SP - 227 EP - 250 VL - 65 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1981__65_142849/ ID - IM_1981__65_142849 ER -