HORODNII, M. Generalized Vandermonde operator and bounded solutions of differential equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 77, n. 6, p. 375–385, 2025. DOI: 10.3842/umzh.v77i6.8984. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8984. Acesso em: 5 dec. 2025.