%0 Journal Article
%A V. G. Kanovei
%T On degrees of constructibility and descriptive properties of the set of real numbers in an initial model and in its extensions
%J Doklady Akademii Nauk
%D 1974
%P 728-729
%V 216
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_216_4_a4/
%G ru
%F DAN_1974_216_4_a4