OJHA, B. P. Some New Types of Orthogonalities in Normed Spaces and Application in Best Approximation. Journal of Advanced College of Engineering and Management, [S. l.], v. 2, p. 1–4, 2016. DOI: 10.3126/jacem.v2i0.16092. Disponível em: https://nepjol.info/index.php/JACEM/article/view/16092. Acesso em: 19 may. 2024.