AHMAD, Bashir; NTOUYAS, Sotiris K.; ALSAEDI, Ahmed; WALI, Ammar B. Existence results for a coupled system of higher-order nonlinear differential equations with integral-multipoint boundary conditions. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 79, n. 2, p. 233–249, 2025. DOI: 10.24193/subbmath.2025.2.05. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/9238. Acesso em: 30 jul. 2025.