%0 Journal Article %A Andréka, Hajnal %A Németi, István %A Šulka, Robert %T Remark on one-sided $A$-ideals of semigroups %J Mathematica slovaca %D 1983 %P 231-235 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1983__33_2_a13/ %G en %F MASLO_1983__33_2_a13