%0 Journal Article
%A R. Sh. Omanadze
%T On the upper semilattice of recursively enumerable ${\rm
%J Algebra i logika
%D 1991
%P 405-413
%V 30
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1991_30_4_a1/
%G ru
%F AL_1991_30_4_a1