Studying The Necessary Optimality Conditions and Approximates a Class of Sum Two Caputo–Katugampola Derivatives for FOCPs. Iraqi Journal of Science, [S. l.], v. 64, n. 2, p. 842–854, 2023. DOI: 10.24996/ijs.2023.64.2.30. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7017.. Acesso em: 7 may. 2024.