Hsuan-Ku Liu,  Comparison Results of Two-point Fuzzy Boundary Value Problems.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 463 - 469
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/4449.