[1]
Y.-K. Chang, M. Arjunan, G. M. N’Gu´ er´ ekata, and V. Kavitha, “Existence Results for Semilinear Fractional Functional Differential Equations with State-Dependent Delay”, Adv Syst Sci Appl, vol. 11, no. 1-2, pp. 27–41, Mar. 2011.