BASHIR AHMAD, SOTIRIS K. NTOUYAS. Existence Results for Nonlinear Fractional Differential Equations with Four-Point Nonlocal Type Integral Boundary Conditions. African Diaspora Journal of Mathematics ISSN: 1539-854X, Multidisciplinary UGC CARE GROUP I, [S. l.], v. 11, n. 1, 2023. Disponível em: https://newjournalzone.in/index.php/ijmfsmr/article/view/70. Acesso em: 24 nov. 2024.