S.KRISHNAMOORTHY; K.JAIKUMAR. On Sums of s-orthogonal Matrices. International Journal of Mathematics And its Applications, [S. l.], v. 1, n. 1, p. 39–45, 2013. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/294. Acesso em: 6 may. 2024.