%0 Journal Article %A Catino, Francesco %T On complete $\alpha$-ideals in semigroups %J Czechoslovak Mathematical Journal %D 1990 %P 155-158 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102366/ %R 10.21136/CMJ.1990.102366 %G en %F 10_21136_CMJ_1990_102366