%0 Journal Article
%A V. I. Malykhin
%T $\beta N$ under the negation of $CH$
%J Informatics and Automation
%D 1992
%P 137-141
%V 193
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1992_193_a25/
%G ru
%F TRSPY_1992_193_a25