Varieties of left distributive semigroups
Tomáš Kepka (1984)
Acta Universitatis Carolinae. Mathematica et Physica
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Tomáš Kepka (1984)
Acta Universitatis Carolinae. Mathematica et Physica
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Jarmila Fauknerová (1981)
Commentationes Mathematicae Universitatis Carolinae
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Acta Universitatis Carolinae. Mathematica et Physica
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