MYRONYUK, M. V. On the Skitovich-Darmois theorem and Heyde theorem in a Banach space. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 60, n. 9, p. 1234–1242, 2008. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3239. Acesso em: 5 dec. 2025.