MESSAOUD, A.; RAHALI, A. Another proof for the continuity of the Lipsman mapping. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 72, n. 7, p. 945–951, 2020. DOI: 10.37863/umzh.v72i7.548. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/548. Acesso em: 5 dec. 2025.