HOLUB, A. P. Some properties of biorthogonal polynomials and their application to Padé approximations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 8, p. 977–984, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5650. Acesso em: 27 apr. 2025.