%0 Journal Article %A Krzysztof ZiemiaƄski %T Categories of directed spaces %J Fundamenta Mathematicae %D 2012 %P 55-71 %V 217 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm217-1-5/ %R 10.4064/fm217-1-5 %G en %F 10_4064_fm217_1_5