MathSciNet bibliographic data MR1052572 (91g:54008) 54A25 (03E50 03E75) Goldstern, Martin; Judah, Haim I.; Shelah, Saharon A regular topological space having no closed subsets of cardinality \$\aleph\sb 2\$$\aleph\sb 2$. Proc. Amer. Math. Soc. 111 (1991), no. 4, 1151–1159. Article

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