%0 Journal Article %A G. Skordev %T Fixed point index for open sets in euclidean spaces %J Fundamenta Mathematicae %D 1984 %P 41-58 %V 121 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-121-1-41-58/ %R 10.4064/fm-121-1-41-58 %G en %F 10_4064_fm_121_1_41_58