Leehter Yao and  Kuei-Song Weng and  Cherng-Dir Huang,  A Fuzzy Classifier with Evolutionary Design of Ellipsoidal Decision Regions.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2007, vol. 1(1). 241 - 245
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/4375.