%0 Journal Article
%A O. Givradze
%T Irreducible generating sets of complete semigroups of unions $B_X(S)$ defined by semilattices of the class $\Sigma_1(X,4)$
%J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory
%D 2020
%P 69-73
%V 177
%I mathdoc
%U http://geodesic.mathdoc.fr/item/INTO_2020_177_a6/
%G ru
%F INTO_2020_177_a6