TY - JOUR AU - Jirokichi Nagatomo TI - An Elementary Proof of Tucker's Theorem. JO - Elemente der Mathematik PY - 1970 SP - 61 EP - 62 VL - 25 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELMA_1970__25_140972/ ID - ELMA_1970__25_140972 ER -