R, Purushothaman Nair. Non-Unit Bidiagonal Decompositions of Totally Nonnegative Matrices. Journal of Global Research in Mathematical Archives(JGRMA), [S. l.], v. 2, n. 6, p. 06–14, 2015. Disponível em: https://jgrma.com/index.php/jgrma/article/view/224. Acesso em: 29 apr. 2025.