Firouzdor, Reza, and Majid Amirfakhrian. “Approximation of a Fuzzy Function by Using Radial Basis Functions Interpolation”. International Journal of Mathematical Modelling & Computations, vol. 7, no. 4, Nov. 2017, pp. 299-07, https://oiccpress.com/ijm2c/article/view/11290.