%0 Journal Article %A Jakubík, Ján %T On direct product decompositions of directed sets %J Mathematica slovaca %D 1988 %P 45-49 %V 38 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1988__38_1_a5/ %G en %F MASLO_1988__38_1_a5