Schützenberger groups of \({\mathcal H}\)-classes in the semigroup of all binary relations on a set
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Publication:2562938
DOI10.1007/BF02389130zbMath0267.20063OpenAlexW2313783171MaRDI QIDQ2562938
Publication date: 1973
Published in: Semigroup Forum (Search for Journal in Brave)
Full work available at URL: https://eudml.org/doc/133982
Semigroups of transformations, relations, partitions, etc. (20M20) Structure theory of algebraic structures (08A05)
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