WASET
    O. Poleshchuk and  E.Komarov,  A Fuzzy Nonlinear Regression Model for Interval Type-2 Fuzzy Sets.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 90(6). 840 - 844
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/9998347.