Hajnal, András; Juhász, István On spaces in which every small subspaces is metrizable. (English) Zbl 0345.54003 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 24, 727-731 (1976). MSC: 54A25 54E35 03E35 PDFBibTeX XMLCite \textit{A. Hajnal} and \textit{I. Juhász}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 24, 727--731 (1976; Zbl 0345.54003)
Hajnal, András Ulam-matrices for inaccessible cardinals. (English) Zbl 0212.32501 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 17, 683-688 (1969). MSC: 03E55 PDFBibTeX XMLCite \textit{A. Hajnal}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 17, 683--688 (1969; Zbl 0212.32501)
Fodor, G.; Hajnal, András On regressive functions and \(\alpha\)-complete ideals. (English) Zbl 0204.00903 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 15, 427-432 (1967). PDFBibTeX XMLCite \textit{G. Fodor} and \textit{A. Hajnal}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 15, 427--432 (1967; Zbl 0204.00903)
Erdős, Pál; Hajnal, András On a problem of B. Jonsson. (English) Zbl 0171.26501 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 14, 19-23 (1966). Reviewer: L.Bukovský MSC: 03E50 08A65 PDFBibTeX XMLCite \textit{P. Erdős} and \textit{A. Hajnal}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 14, 19--23 (1966; Zbl 0171.26501)