Tellab, Brahim, and Kamel Haouam. “Existence and Uniqueness of Solutions for Nonlinear Hyperbolic Fractional Differential Equation With Integral Boundary Conditions”. International Journal of Applied Mathematical Research, vol. 5, no. 1, Jan. 2016, pp. 18-23, https://doi.org/10.14419/ijamr.v5i1.5239.