Structure of the Spectra and Resonances of Schrödinger Operators. Momona Ethiopian Journal of Science (MEJS) , [S. l.], v. 12, n. 1, p. 83–102, 2024. Disponível em: https://journal.mu.edu.et/index.php/mejs/article/view/286. Acesso em: 18 oct. 2024.