%0 Journal Article %A Z. Semadeni %A H. Zidenberg %T On preordered topological spaces and increasing semicontinuous functions %J Commentationes Mathematicae %D 1968 %P 313-316 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v11i1.5629/ %R 10.14708/cm.v11i1.5629 %G pl %F 10_14708_cm_v11i1_5629