TY - JOUR AU - R. Pol AU - E. Puzio TI - An open-perfect mapping on a hereditarily disconnected space onto a connected space JO - Fundamenta Mathematicae PY - 1974 SP - 271 EP - 178 VL - 86 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-86-3-271-178/ DO - 10.4064/fm-86-3-271-178 LA - en ID - 10_4064_fm_86_3_271_178 ER -