%0 Journal Article
%A J. Barzdiņš
%T The frequency solution of the problem of occurrence in a~recursively enumerable set
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1973
%P 52-58
%V 133
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1973_133_a5/
%G ru
%F TM_1973_133_a5