Euler Polynomials Approach to the System of Nonlinear Fractional Differential Equations. Punjab University Journal of Mathematics, [S. l.], v. 51, n. 7, p. 71–87, 2025. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/464. Acesso em: 29 jun. 2025.