1. On triangular norm based propositional fuzzy logics;Butnariu;Fuzzy Sets and Systems,1995
2. Equations of fuzzy relations defined on fuzzy subsets;Fernández;Fuzzy Sets and Systems,1992
3. Fuzzy Preference Modelling and Multicriteria Decision Support;Fodor,1994
4. Análisis algebraico de relaciones difusas, Uniformidades asociadas y transformación de relaciones;González,1987
5. Extending fuzzy relations;González;Fuzzy Sets and Systems,1995