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; Fodor, G.; Hajnal, András On the structure of inner set mappings. (English) Zbl 0094.03204 Acta Sci. Math. 20, 81-90 (1959). Reviewer: G.Kurepa MSC: 05D10 03E05 PDFBibTeX XMLCite \textit{P. Erdős} et al., Acta Sci. Math. 20, 81--90 (1959; Zbl 0094.03204)