Cui, Yujun, Wenjie Ma, Qiao Sun, and Xinwei Su. “New Uniqueness Results for Boundary Value Problem of Fractional Differential Equation”. Nonlinear Analysis: Modelling and Control 23, no. 1 (February 20, 2018): 31–39. Accessed December 6, 2025. https://www.journals.vu.lt/nonlinear-analysis/article/view/13329.