A representation of a solution of the Cauchy problem for an oscillation system wit pure delay. Neliniini Kolyvannya, [S. l.], v. 11, n. 2, p. 261–270, 2008. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/478. Acesso em: 21 jan. 2026.