1. Absolute retracts and essential extensions in congruence modular varieties

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   OriginalPaper 25 December 2012 Pages: 201 - 211

2. Finitely generated varieties of distributive effect algebras

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   • Jan Kühr

   OriginalPaper 30 March 2013 Pages: 213 - 229

3. Defining subdirect product closed classes in infinitary logic

   • Michał M. Stronkowski

   OriginalPaper Open access 30 March 2013 Pages: 231 - 235

4. Algebras with implication and fusion: a different point of view

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   • Hernán Javier San Martín

   OriginalPaper 30 March 2013 Pages: 237 - 256

5. Expansions of finite algebras and their congruence lattices

   • William DeMeo

   OriginalPaper 02 April 2013 Pages: 257 - 278

6. Retraction closure property

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   • Rozália Madarász

   OriginalPaper 30 March 2013 Pages: 279 - 285

7. Interpolation by polynomial functions of distributive lattices: a generalization of a theorem of R. L. Goodstein

   • Miguel Couceiro
   • Tamás Waldhauser

   OriginalPaper 30 March 2013 Pages: 287 - 299