Approximate Orthogonal Preserving Mappings on C*-Semi-inner Product Space. CaJoST, [S. l.], v. 3, n. 2, p. 115–120, 2022. DOI: 10.4314/cajost.v3i2.75. Disponível em: https://cajost.com.ng/index.php/files/article/view/75. Acesso em: 18 sep. 2024.