%0 Journal Article %A W. HolsztyƄski %A F. Pedersen %T Finite $T_0$-spaces and universal mappings %J Fundamenta Mathematicae %D 1978 %P 127-139 %V 98 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-98-2-127-139/ %R 10.4064/fm-98-2-127-139 %G en %F 10_4064_fm_98_2_127_139