Congruences of lines with one-dimensional focal locus.
De Poi, Pietro (2004)
Portugaliae Mathematica. Nova Série
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De Poi, Pietro (2004)
Portugaliae Mathematica. Nova Série
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Jindřich Veverka (1969)
Czechoslovak Mathematical Journal
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Jaromír Duda (1991)
Czechoslovak Mathematical Journal
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Hui-Qin Cao, Hao Pan (2008)
Acta Arithmetica
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Ivan Chajda, Eszter K. Horváth (2003)
Discussiones Mathematicae - General Algebra and Applications
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A diagrammatic statement is developed for the generalized semidistributive law in case of single algebras assuming that their congruences are permutable. Without permutable congruences, a diagrammatic statement is developed for the ∧-semidistributive law.
Enrique Arrondo, Igancio Sols (1989)
Journal für die reine und angewandte Mathematik
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Radim Bělohlávek, Ivan Chajda (1997)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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