DEDANIA, Haresh V.; PATEL, Avadh B. The Spatial Numerical Range in Non-unital, Normed Algebras and Their Unitizations. Sarajevo Journal of Mathematics, [S. l.], v. 20, n. 2, p. 255–262, 2025. DOI: 10.5644/SJM.20.02.08. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/522. Acesso em: 5 nov. 2025.