OWITI, Samson; OKELO, Benard; OMOKE, Priscah. On Certain Properties of Numerical Radius Preservers in Nonunital Banach Algebra. Journal of Nepal Mathematical Society, [S. l.], v. 8, n. 1, p. 83–88, 2025. DOI: 10.3126/jnms.v8i1.80229. Disponível em: https://www.nepjol.info/index.php/jnms/article/view/80229. Acesso em: 7 dec. 2025.