TY - JOUR AU - G. Skordev TI - Fixed point index for open sets in euclidean spaces JO - Fundamenta Mathematicae PY - 1984 SP - 41 EP - 58 VL - 121 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-121-1-41-58/ DO - 10.4064/fm-121-1-41-58 LA - en ID - 10_4064_fm_121_1_41_58 ER -