%0 Journal Article
%A N. A. Baklanova
%T Minimal Elements and Minimal Covers in Rogers Semilattice of Computable Numberings in Hyperarithmetical Hierarchy
%J Sibirskij žurnal čistoj i prikladnoj matematiki
%D 2011
%P 77-84
%V 11
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VNGU_2011_11_3_a4/
%G ru
%F VNGU_2011_11_3_a4