Hajek, Darrell W.; Irizarry, Ivette Embedding in \(T_3\)-\(F_\sigma\) spaces. (English) Zbl 0496.54016 Mat. Vesn. 5(18)(33), 159-161 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 54D10 Lower separation axioms (\(T_0\)–\(T_3\), etc.) 54C25 Embedding Keywords:T3-space; T3-closed space; continuous image; F-sigma-set Citations:Zbl 0192.596 PDFBibTeX XMLCite \textit{D. W. Hajek} and \textit{I. Irizarry}, Mat. Vesn. 5(18)(33), 159--161 (1981; Zbl 0496.54016)