IBRAGIMOV, M. M.; TLEUMURATOV, S. J.; SEYPULLAEV, J. Some geometric properties of a strongly facially symmetric space. Methods of Functional Analysis and Topology, [S. l.], v. 11, n. 3, p. 234–238, 2005. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/281. Acesso em: 16 dec. 2025.