Original languageEnglish
Pages (from-to)145-150
Number of pages6
JournalLobachevskii Journal of Mathematics
Volume41
Issue number2
DOIs
Publication statusPublished - 1 Feb 2020

    OECD FOS+WOS

  • 1.01.PQ MATHEMATICS

    Research areas

  • analytical hierarchy, computable reducibility, equivalence relation, hyperarithmetical hierarchy, minimal degree

ID: 24768915