HOLUB, A. P.; LYSENKO, L. O. Padé approximants for some classes of multivariate functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 5, p. 631–640, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1722. Acesso em: 5 dec. 2025.