1. On identification in fuzzy systems and its applications in control problems;Czogała;Fuzzy Sets and Systems,1981
2. Fuzzy relational equations on a finite set;Czogała;Fuzzy Sets and Systems,1982
3. E. Czogała and W. Pedrycz, Identification and control in fuzzy systems, in: TIMS studies in Management Sciences: Fuzzy Sets and Decision Analysis, to appear.
4. A Vector Space Approach to Models and Optimization;Dorny,1975
5. Fuzzy Sets and Systems: Theory and Applications;Dubois,1980