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Publication:3818495
zbMath0666.20027MaRDI QIDQ3818495
Yu. M. Vazhenin, B. Bayasgalan
Publication date: 1988
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
power semigroupsvariety of semigroupssolvable elementary theoryscheme alternative hierarchy of languages
Varieties and pseudovarieties of semigroups (20M07) Models of other mathematical theories (03C65) Hierarchies of computability and definability (03D55)
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