@article{ELMA_1970__25_140972,
     author = {Jirokichi Nagatomo},
     title = {An {Elementary} {Proof} of {Tucker's} {Theorem.}},
     journal = {Elemente der Mathematik},
     pages = {61--62},
     publisher = {mathdoc},
     volume = {25},
     year = {1970},
     zbl = {0191.18901},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1970__25_140972/}
}