LIU Y. Solvability of BVPs for impulsive fractional differential equations involving the Riemann-Liouvile fractional derivatives. Stud. Univ. Babeş-Bolyai Math. [Internet]. 2018 Mar. 30 [cited 2025 Feb. 5];63(1):79-108. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1967