GEORGIOU S; KOUKOUVINOS C. Amicable sets of matrices and their applications in constructing orthogonal designs and self-dual codes. Utilitas Mathematica , [S. l.], v. 73, 2007. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/487. Acesso em: 8 may. 2026.