@article{10_4064_fm_118_2_135_149,
     author = {H. Sies},
     title = {Topological degree and {Sperner's} lemma},
     journal = {Fundamenta Mathematicae},
     pages = {135--149},
     publisher = {mathdoc},
     volume = {118},
     number = {2},
     year = {1983},
     doi = {10.4064/fm-118-2-135-149},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-118-2-135-149/}
}