%0 Journal Article
%A Šulka, Robert
%T The minimal right $A$-ideal of the free semigroup on a countable set
%J Mathematica slovaca
%D 1982
%P 301-304
%V 32
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MASLO_1982__32_3_a10/
%G en
%F MASLO_1982__32_3_a10