DEREVYAGIN, M. S. On the Schur algorithm for indefinite moment problem. Methods of Functional Analysis and Topology, [S. l.], v. 9, n. 2, p. 133–145, 2003. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/209. Acesso em: 17 dec. 2025.