Rudin, Mary Ellen A non-normal hereditarily-separable space. (English) Zbl 0282.54010 Ill. J. Math. 18, 481-483 (1974). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 54D99 Fairly general properties of topological spaces 54D10 Lower separation axioms (\(T_0\)–\(T_3\), etc.) 03E50 Continuum hypothesis and Martin’s axiom PDFBibTeX XMLCite \textit{M. E. Rudin}, Ill. J. Math. 18, 481--483 (1974; Zbl 0282.54010)