BLÅSTEN, E.; VESALAINEN, E. V. Non-scattering energies and transmission eigenvalues in H^n. Annales Fennici Mathematici, [S. l.], v. 45, n. 1, p. 547–576, 2020. DOI: 10.5186/aasfm.2020.4522. Disponível em: https://afm.journal.fi/article/view/135870. Acesso em: 22 nov. 2024.