%0 Journal Article %A L. Satko %A O. Grosek %T Smallest A-ideals in semigroups. %J Semigroup forum %D 1981 %P 297-310 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1981__23_134523/ %F SF_1981__23_134523