TY - JOUR AU - Krzysztof ZiemiaƄski TI - Categories of directed spaces JO - Fundamenta Mathematicae PY - 2012 SP - 55 EP - 71 VL - 217 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm217-1-5/ DO - 10.4064/fm217-1-5 LA - en ID - 10_4064_fm217_1_5 ER -