1. Weak decidability and weak recursive enumerability for L-subsets;Biacino,1986
2. Mehrwertige Logik;Gottwald,1988
3. On the syntactico-semantical completeness of first-order fuzzy logic I;Novak;Kybernetika,1990
4. On the syntactico-semantical completeness of first-order fuzzy logic II;Novák;Kybernetika,1990
5. Ultraproduct theorem and recursive properties of fuzzy logic;Novák,1993