ORUMBAYEVA, N.; ASSANOVA, A.; KELDIBEKOVA, A. On an Algorithm of Finding an Approximate Solution of a Periodic Problem for a Third-Order Differential Equation. Eurasian Mathematical Journal, [S. l.], v. 13, n. 1, p. 69–85, 2022. Disponível em: https://emj.enu.kz/index.php/main/article/view/250. Acesso em: 5 oct. 2024.