HORODNII, M. F. Linear differential equations of higher orders in a Banach space and the Vandermonde operator. Methods of Functional Analysis and Topology, [S. l.], v. 28, n. 4, p. 295–301, 2022. DOI: https://doi.org/10.31392/MFAT-npu26_4.2022.02. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/839. Acesso em: 15 dec. 2025.