Numerical Solutions for Singular Lane-Emden Equations Using Shifted Chebyshev Polynomials of the First Kind. Contemporary Mathematics , [S. l.], v. 4, n. 1, p. 132–149, 2023. DOI: 10.37256/cm.4120232254. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/2254. Acesso em: 24 dec. 2025.