SAMOILENKO , A. M.; ILOLOV , M. Nonhomogeneous evolution equations with pulse actions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 1, p. 93–100, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7799. Acesso em: 6 dec. 2025.