%0 Journal Article
%A M. Kh. Faizrakhmanov
%T Some properties of the upper semilattice of computable families of computably enumerable sets
%J Algebra i logika
%D 2021
%P 195-209
%V 60
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2021_60_2_a5/
%G ru
%F AL_2021_60_2_a5