SUAD H. ABU-JANAH. Spectra of Upper Triangular Double-Band Matrices as Operators on the Sequence Space bv₀ with an Application to Atmospheric Physics. African Journal of Advanced Pure and Applied Sciences , [S. l.], v. 5, n. 2, p. 445–454, 2026. Disponível em: https://aaasjournals.com/index.php/ajapas/article/view/2070. Acesso em: 24 jul. 2026.