et. al., Dr. Mahmoud El-Borai,. “A Nonlocal Cauchy Problem for Abstract Hilfer Equation With Fractional Integrated Semi Groups”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 12 (May 23, 2021): 1640–1646. Accessed May 4, 2024. https://turcomat.org/index.php/turkbilmat/article/view/7664.