Corson, Harry H.; Michael, Ernest Metrizability of certain countable unions. (English) Zbl 0127.13203 Ill. J. Math. 8, 351-360 (1964). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 42 Documents Keywords:topology PDFBibTeX XMLCite \textit{H. H. Corson} and \textit{E. Michael}, Ill. J. Math. 8, 351--360 (1964; Zbl 0127.13203)