Team S. On the Existence of Positive Solutions for a Boundary Valued Problem of Fractional Order: Moustafa El-Shahed. Thai J Math [Internet]. 2007 Jun. 1 [cited 2024 Dec. 22];5(1):143-50. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/82