WASET
    Mustafa Bayram Gücen and  Coşkun Yakar,  Strict Stability of Fuzzy Differential Equations by Lyapunov Functions.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2018, vol. 137(5). 315 - 319
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10009010.