TY - JOUR AU - Mauricio Gutierrez TI - Three Conjectures of Combinatorial Topology. JO - Inventiones mathematicae PY - 1982 SP - 357 EP - 362 VL - 67 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1982__67_142916/ ID - IM_1982__67_142916 ER -