%0 Journal Article %A KeiƓ Nagami %T Minimal class generated by open compact and perfect mappings %J Fundamenta Mathematicae %D 1973 %P 227-264 %V 78 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-78-3-227-264/ %R 10.4064/fm-78-3-227-264 %G en %F 10_4064_fm_78_3_227_264