%0 Journal Article %A M. G. Tkachenko %T Some conditions that imply compactness in countably-compact spaces %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1981 %P 256-257 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1981_36_1_a21/ %G en %F RM_1981_36_1_a21