%0 Journal Article %A V. V. Proizvolov %T Cardinal numbers of the basis of an $H$-closed space %J Doklady Akademii Nauk %D 1964 %P 55-56 %V 154 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_154_1_a13/ %G ru %F DAN_1964_154_1_a13