KOSTYSHYN, L.P.; BIGUN, Ya.J. Approximate solution of linear differential equations of neutral type by aggregative-iterative method. Carpathian Mathematical Publications, [S. l.], v. 3, n. 2, p. 100–107, 2011. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/3071. Acesso em: 16 apr. 2024.