A version of the projection-iterative method for systems of linear differential equations with a neutral type delay and restrictions. Neliniini Kolyvannya, [S. l.], v. 9, n. 4, p. 564–573, 2006. Disponível em: https://nosc.imath.kiev.ua/index.php/nosc/article/view/415. Acesso em: 12 apr. 2026.