KRISHNASWAMY, D. .; VELMURUGAN, M. . Partial Ordering of Block Matrices in Minkowski Space. **Communications in Mathematics and Applications**, *[S. l.]*, v. 12, n. 4, p. 1013–1023, 2021. DOI: 10.26713/cma.v12i4.1605. Disponível em: http://www.rgnpublications.com/journals/index.php/cma/article/view/1605. Acesso em: 1 apr. 2023.