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The lattice of quasivarieties of semigroups

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References

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Sapir, M.V. The lattice of quasivarieties of semigroups. Algebra Universalis 21, 172–180 (1985). https://doi.org/10.1007/BF01188054

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  • DOI: https://doi.org/10.1007/BF01188054

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