Bouharket Bendouma, Alberto Cabada, and Ahmed Hammoudi. “Existence of Solutions for Conformable Fractional Problems With Nonlinear Functional Boundary Conditions”. Malaya Journal of Matematik 7, no. 04 (October 1, 2019): 700–708. Accessed November 24, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1148.