BISWAS, Debapriya; DAS, Himadri Lal. Isotropic Basis in a Real Symmetric Bilinear Space: Existence and Construction. Armenian Journal of Mathematics, Yerevan, Armenia, v. 17, n. 14, p. 1–19, 2025. DOI: 10.52737/18291163-2025.17.14-1-19. Disponível em: https://armjmath.sci.am/index.php/ajm/article/view/1468. Acesso em: 3 jan. 2026.