[1]
Z. Hu and W. Liu, “Solvability of a Coupled System of Fractional Differential Equations with Periodic Boundary Conditions at Resonance”, Ukr. Mat. Zhurn., vol. 65, no. 11, pp. 1463–1475, Nov. 2013, Accessed: Feb. 16, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2526