JAIN, P.; JAIN, S. Normability and Duality in the Two-Dimensional Lorentz Spaces. Eurasian Mathematical Journal, [S. l.], v. 5, n. 4, p. 79–91, 2014. Disponível em: https://emj.enu.kz/index.php/main/article/view/590. Acesso em: 18 sep. 2025.