Maitra, Ashok Ordinal solution of open games and analytic sets. (English) Zbl 1209.03044 Sankhyā, Ser. A 72, No. 1, 19-36 (2010). MSC: 03E15 28A05 91A05 PDFBibTeX XMLCite \textit{A. Maitra}, Sankhyā, Ser. A 72, No. 1, 19--36 (2010; Zbl 1209.03044) Full Text: DOI
Maitra, Ashok On the failure of the first principle of separation for coanalytic sets. (English) Zbl 0313.04001 Proc. Am. Math. Soc. 46, 299-301 (1974). MSC: 03E15 54H05 PDFBibTeX XMLCite \textit{A. Maitra}, Proc. Am. Math. Soc. 46, 299--301 (1974; Zbl 0313.04001) Full Text: DOI