%0 Journal Article %A B. M. Bokalo %T Countably compact and pseudocompact $k$-rarefied spaces %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1989 %P 63-65 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1989_4_a15/ %G ru %F VMUMM_1989_4_a15