1. Elements of Numerical Analysis;Henrici,1964
2. Fuzzy Techniques in Pattern Recognition;Kandel,1982
3. Fuzzy sets, fuzzy algebra, and fuzzy statistics;Kandel,1978
4. Fuzzy statistics and forecast evaluation;Kandel;IEEE Trans. Systems Man Cybernet.,1978
5. Fuzzy expectation and energy states in fuzzy media;Kandel;Fuzzy Sets and System,1981