A study of the structure of the set of continuous solutions to systems of linear difference equations with continuous argument. Neliniini Kolyvannya, [S. l.], v. 8, n. 3, p. 351–359, 2005. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/360. Acesso em: 22 jan. 2026.