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Sun, Shu Hao ; Choo, Koo Guan
Some new cardinal inequalities involving a cardinal function less than the spread and the density. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 2, pp. 395-401
MSC: 54A25 | MR 1077911 | Zbl 0717.54002
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[6] S. H. Liu Y. M. Wang: A strengthened topological cardinal inequality. Bull Aust. Math. Soc. 32 (1985), 375-378. MR 0819569
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