BAJRACHARYA, P. M.; OJHA, B. P. A Glimpse on Birkhoff-James Orthogonality in Banach Spaces. Methods of Functional Analysis and Topology, [S. l.], v. 26, n. 4, p. 373–383, 2020. DOI: https://doi.org/10.31392/MFAT-npu26_4.2020.08. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/775. Acesso em: 13 dec. 2025.