Ershov, Yu. L. On a hierarchy of sets. II. (Russian. English translation) Zbl 0216.00902 Algebra Logika 7, No. 4, 15-47 (1968); English translation in Algebra Logic 7, 212-232 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 ReviewsCited in 55 Documents MSC: 03D55 Hierarchies of computability and definability Citations:Zbl 0216.00901; Zbl 0233.02017 PDFBibTeX XMLCite \textit{Yu. L. Ershov}, Algebra Logika 7, No. 4, 15--47 (1968; Zbl 0216.00902) Full Text: EuDML