Chang, Y.-K., M. Arjunan, N’Gu´ er´ ekataG. M., and V. Kavitha. “Existence Results for Semilinear Fractional Functional Differential Equations With State-Dependent Delay”. Advances in Systems Science and Applications, Vol. 11, no. 1-2, Mar. 2011, pp. 27-41, https://ijassa.ipu.ru/index.php/ijassa/article/view/289.