TY - JOUR AU - Jerzy Jezierski TI - The coincidence Nielsen number for maps into real projective spaces JO - Fundamenta Mathematicae PY - 1991 SP - 121 EP - 136 VL - 140 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-140-2-121-136/ DO - 10.4064/fm-140-2-121-136 LA - en ID - 10_4064_fm_140_2_121_136 ER -