1. Choice of Variants (foundations of theory);Aizerman,1990
2. Pseudocriteria and Pseudocriterial Choice (on generalizations in choice theory);Aizerman,1987
3. Semisimple algebras of infinite valued logic and bold fuzzy set theory;Belluce;Canad. J. Math.,1986
4. Triangular norms, MV-algebras and bold fuzzy set theory;Belluce;Math. Japonica,1991
5. A useful four-valued logic;Belnap,1977