NIZHNIK, L. P. On the inverse eigenvalue problems for a Jacobi matrix with mixed given data. Methods of Functional Analysis and Topology, [S. l.], v. 24, n. 2, p. 178–186, 2018. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/693. Acesso em: 15 dec. 2025.