%0 Journal Article %A B. Shapirovskii %T On discrete subspaces of topological spaces; weight, tightness and Suslin number %J Doklady Akademii Nauk %D 1972 %P 779-782 %V 202 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_202_4_a10/ %G ru %F DAN_1972_202_4_a10