1. Cluster Analysis by Optimal Decomposition of Induced Fuzzy Sets;Backer,1978
2. Pattern Recognition with Fuzzy Objective Function Algorithms;Bezdek,1981
3. Time Series Analysis, Forecasting and Control;Box,1970
4. On identification in fuzzy systems and its applications in control problems;Czohała;Fuzzy Sets and Systems,1981
5. Fuzzy Sets and Systems: Theory and Applications;Dubois,1981