NIZHNIK, L. P.; RABANOVICH, V. I. On new inverse spectral problems for weighted graphs. Methods of Functional Analysis and Topology, [S. l.], v. 23, n. 1, p. 66–75, 2017. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/655. Acesso em: 16 dec. 2025.