BURTNYAK, I.; CHERNEGA, I.; HLADKYI, V.; LABACHUK, O.; NOVOSAD, Z. Application of symmetric analytic functions to spectra of linear operators. Carpathian Mathematical Publications, [S. l.], v. 13, n. 3, p. 701–710, 2021. DOI: 10.15330/cmp.13.3.701-710. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/5563. Acesso em: 21 nov. 2024.