%0 Journal Article %A N. Kehayopulu %A M. Tsingelis %T On subdirectly irreducible ordered semigroups. %J Semigroup forum %D 1995 %P 161-178 %V 50 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1995__50_3_135376/ %F SF_1995__50_3_135376