Trapezoid lemma and congruence distributivity
Ivan Chajda, Gábor Czédli, Eszter K. Horváth (2003)
Mathematica Slovaca
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Ivan Chajda, Gábor Czédli, Eszter K. Horváth (2003)
Mathematica Slovaca
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Jaromír Duda (1992)
Mathematica Bohemica
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We give Mal’cev conditions for varieties 4V4 whose congruences on the product , are determined by their restrictions on the axes in .
Jaromír Duda (1987)
Czechoslovak Mathematical Journal
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Don Pigozzi (1981)
Colloquium Mathematicae
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