%0 Journal Article %A Bisgaard, Torben Maack %A Sakakibara, Nobuhisa %T Stieltjes perfect semigroups are perfect %J Czechoslovak Mathematical Journal %D 2005 %P 729-753 %V 55 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2005__55_3_a15/ %G en %F CMJ_2005__55_3_a15