Chuanyun Gu,  Existence and Uniqueness of Positive Solution for Nonlinear Fractional Differential Equation with Integral Boundary Conditions.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 110(2). 83 - 86
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10004793.