2000 | ||
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2 | Manuel Abad, J. Patricio Díaz Varela, L. A. Rueda, A. M. Suardíaz: Varieties of Three-Valued Heyting Algebras with a Quantifier. Studia Logica 65(2): 181-198 (2000) | |
1991 | ||
1 | EE | A. M. Suardíaz: On Free De Morgan Algebras Over a Poset. Reports on Mathematical Logic 25: (1991) |
1 | Manuel Abad | [2] |
2 | L. A. Rueda | [2] |
3 | J. Patricio Díaz Varela | [2] |