A study of the structure of the set of continuous solutions to systems of linear functional-difference equations. Neliniini Kolyvannya, [S. l.], v. 12, n. 3, p. 307–335, 2009. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/529. Acesso em: 21 jan. 2026.