Boone, James R. On the cardinality relationships between discrete collections and open covers. (English) Zbl 0331.54009 Pac. J. Math. 62, 359-364 (1976). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Review MSC: 54D20 Noncompact covering properties (paracompact, Lindelöf, etc.) 54A25 Cardinality properties (cardinal functions and inequalities, discrete subsets) PDF BibTeX XML Cite \textit{J. R. Boone}, Pac. J. Math. 62, 359--364 (1976; Zbl 0331.54009) Full Text: DOI OpenURL