%0 Journal Article
%A V. P. Dobritsa
%T Semilattices of computable indexings of classes of
%J Algebra i logika
%D 1987
%P 558-576
%V 26
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1987_26_5_a2/
%G ru
%F AL_1987_26_5_a2