С. А. Каркузаев, Р. Ч. Кулаев, “Нижние оценки ведущего собственного значения лапласиана на графе”, Матем. заметки, 117:2 (2025), 270–284
Bashir Ahmad, Amal Almalki, Sotiris Ntouyas, Ahmed Alsaedi, “Existence results for a self-adjoint coupled system of nonlinear second-order ordinary differential inclusions with nonlocal integral boundary conditions”, Malaya J. Mat., 12:02 (2024), 122
Bashir Ahmad, Amal Almalki, Sotiris K. Ntouyas, Ahmed Alsaedi, “Existence results for a self-adjoint coupled system of three nonlinear ordinary differential equations with cyclic boundary conditions”, Qual. Theory Dyn. Syst., 21:3 (2022)
Bashir Ahmad, Amal Almalki, Sotiris K. Ntouyas, Ahmed Alsaedi, “Existence results for a self-adjoint coupled system of nonlinear second-order ordinary differential inclusions with nonlocal integral boundary conditions”, J Inequal Appl, 2022:1 (2022)
H. M. Srivastava, S. K. Ntouyas, M. Alsulami, A. Alsaedi, B. Ahmad, “A self-adjoint coupled system of nonlinear ordinary differential equations with nonlocal multi-point boundary conditions on an arbitrary domain”, Appl. Sci.-Basel, 11:11 (2021), 4798