%0 Journal Article %A R. Pol %A E. Puzio %T An open-perfect mapping on a hereditarily disconnected space onto a connected space %J Fundamenta Mathematicae %D 1974 %P 271-178 %V 86 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-86-3-271-178/ %R 10.4064/fm-86-3-271-178 %G en %F 10_4064_fm_86_3_271_178