DU, Bowen. Exploring Hahn-Banach Theorem: Insights into Functional Analysis and Topology. Science and Technology of Engineering, Chemistry and Environmental Protection, [S. l.], v. 2, n. 6, p. 5502, 2024. DOI: 10.61173/qxphq305. Disponível em: https://stecep.deanfrancis.press/article/view/1128. Acesso em: 4 nov. 2026.