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A characterization of semigroups with identity element

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References

  1. A. H. Clifford-G. B. Preston,The algebraic theory of semigroups I, Providence (1961.)

  2. Szász F., Megjegyzés az egységelemes félcsoportokról (in Hungarian Remark on semigroups with identity element),Magyar Tudományos Akadémia III. Oszt. Közl. 16 (1966), pp. 397–400.

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  3. F. Szász, Einige Kriterien für die Existenz des Einselementes in einem Ring,Acta Sci. Math. Szeged 28 (1967), pp. 31–37.

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Authors and Affiliations

  1. Matematikai Kutató Intézete, Magyar Tudományos Akadémia, V., Reáltanoda U. 13-15, Budapest

    I. Kiss

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  1. I. Kiss
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Kiss, I. A characterization of semigroups with identity element. Acta Mathematica Academiae Scientiarum Hungaricae 22, 249–250 (1971). https://doi.org/10.1007/BF01896017

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  • DOI: https://doi.org/10.1007/BF01896017

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