KOSHMANENKO, V. D.; TUHAI, H. V. Jacobi matrices associated with the inverse eigenvalue problem in the theory of singular perturbations of self-adjoint operators. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 58, n. 12, p. 1651–1662, 2006. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3561. Acesso em: 6 dec. 2025.