Kuratowski, K. Topology. Vol. I. New edition, revised and augmented. (English) Zbl 0158.40802 New York-London: Academic Press; Warszawa: PWN-Polish Scientific Publishers. XX, 560 p. (1966). Reviewer: Jürgen Flachsmeyer PDF BibTeX XML
Liapounoff, A. Sur quelques complémentaires analytiques uniformes. (Russian. French summary) JFM 64.1009.04 Bull. Acad. Sci. URSS, Moscou, Cl. Sci. math. natur., Sér. math. 1937, 285-305 (1937). Reviewer: Seebach, K., Dr. (München) MSC: 03Exx 28A05 54H05 PDF BibTeX XML Cite \textit{A. Liapounoff}, Izv. Akad. Nauk SSSR, Ser. Mat. 1937, 285--305 (1937; JFM 64.1009.04)