Gerlits, J.; Hajnal, András; Szentmiklóssy, Zoltán On the cardinality of certain Hausdorff spaces. (English) Zbl 0766.54002 Discrete Math. 108, No. 1-3, 31-35 (1992). MSC: 54A25 54D10 PDFBibTeX XMLCite \textit{J. Gerlits} et al., Discrete Math. 108, No. 1--3, 31--35 (1992; Zbl 0766.54002) Full Text: DOI
Gerlits, J.; Hajnal, András On the tightness of product spaces. (English) Zbl 0438.54004 Logic colloquium ’77, Proc., Wroclaw 1977, Stud. Logic Found. Math. Vol. 96, 123-133 (1978). MSC: 54A25 54B10 03E05 54D55 03E50 03E55 PDFBibTeX XML