KRAVCHUK , V. P. On one simple method of rational function approximation . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 7, p. 998–1000, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8135. Acesso em: 6 dec. 2025.