ARLINSKII, Yu. M. Transformations of Nevanlinna operator-functions and their fixed points. Methods of Functional Analysis and Topology, [S. l.], v. 23, n. 3, p. 212–230, 2017. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/666. Acesso em: 15 dec. 2025.