scientific article; zbMATH DE number 3392423

zbMATH Open0248.02042MaRDI QIDQ5661860

Aleksander Rutkowski, Stanisław Krajewski

Publication date: 1972

Title of this publication is not available (Why is that?)

Mathematics Subject Classification ID

Recursive functions and relations, subrecursive hierarchies (03D20) Recursively (computably) enumerable sets and degrees (03D25)

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