Fractional Derivative Effects on Exploration of Soliton Solutions of (3 + 1)-D Kadomtsev-Petviashvili-Sawada-Kotera-Ramani Model Using Modified Extended Direct Algebraic Approach. Contemporary Mathematics , [S. l.], v. 6, n. 4, p. 5346–5367, 2025. DOI: 10.37256/cm.6420257594. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/7594. Acesso em: 24 dec. 2025.