PARASIDIS, I.; PROVIDAS, E. Factorization method for solving systems of second-order linear ordinary differential equations. Eurasian Mathematical Journal, [S. l.], v. 16, n. 2, p. 55–73, 2025. Disponível em: https://emj.enu.kz/index.php/main/article/view/759. Acesso em: 25 aug. 2025.