%0 Journal Article %A H. Sies %T Topological degree and Sperner's lemma %J Fundamenta Mathematicae %D 1983 %P 135-149 %V 118 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-118-2-135-149/ %R 10.4064/fm-118-2-135-149 %G en %F 10_4064_fm_118_2_135_149