%0 Journal Article %A Jirokichi Nagatomo %T An Elementary Proof of Tucker's Theorem. %J Elemente der Mathematik %D 1970 %P 61-62 %V 25 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELMA_1970__25_140972/ %F ELMA_1970__25_140972