Discussiones Mathematicae - General Algebra and Applications 29 (2) (2009)
| 1 | A. Anantpinitwatna, T. Poomsa-ard Special m-hyperidentities in biregular leftmost graph varieties of type (2,0) | 81 | |
| 2 | M. Couceiro, S. Foldes Function classes and relational constraints stable under compositions with cloness | 109 | |
| 3 | K. Denecke, D. Phusanga | 123 | |
| 4 | I. Dimitrova, J. Koppitz The maximal subsemigroups of the ideals of some semigroups of partial injections | 153 | |
| 5 | I. Chajda, G. Eigenthaler Two constructions of De Morgan algebras and De Morgan quasirings | 169 | |
| 6 | Ch. Boonpok, J. Khampakdee | 181 | |
| 7 | M. Knyazhansky, T. Plotkin Knowledge bases and automorphic equivalence of multi-models versus linear spaces and graphs | 203 |