%0 Journal Article %A V. I. Malykhin %T $\beta N$ under the negation of $CH$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1992 %P 137-141 %V 193 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1992_193_a25/ %G ru %F TM_1992_193_a25