%0 Journal Article %A A. Wallace %T Relative ideals in semigroups, I (Faucett's Theorem) %J Colloquium Mathematicum %D 1962 %P 55-61 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-9-1-55-61/ %R 10.4064/cm-9-1-55-61 %G en %F 10_4064_cm_9_1_55_61