AROVA, Z. D. $J$-unitary nodes with strongly regular $J$-inner characteristic matrix functions. Methods of Functional Analysis and Topology, [S. l.], v. 6, n. 3, p. 9–23, 2000. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/123. Acesso em: 17 dec. 2025.