ZUO, Z.- fei; TANG, C.- lei. On James and Jordan-von Neumann type constants and normal structure in Banach spaces. Topological Methods in Nonlinear Analysis, [S. l.], v. 49, n. 2, p. 615–623, 2017. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2016.094. Acesso em: 22 jul. 2024.