%0 Journal Article
%A A. G. Dragalin
%A V. A. Lyubetskii
%T Construction of an effectively inaccessible cardinal in a natural prolongation of the Zermelo--Fraenkel system
%J Doklady Akademii Nauk
%D 1969
%P 1225-1228
%V 187
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_187_6_a3/
%G ru
%F DAN_1969_187_6_a3