%0 Journal Article
%A M. V. Dorzhieva
%T Friedberg numbering of the family of All $\Sigma^{1}_{2}$-sets
%J Sibirskij žurnal čistoj i prikladnoj matematiki
%D 2018
%P 47-52
%V 18
%N 2
%U http://geodesic.mathdoc.fr/item/VNGU_2018_18_2_a3/
%G ru
%F VNGU_2018_18_2_a3