HAVLÍČEK, M.; KLIMYK, A. U.; PELANTOVÁ, E. Representations of the $q$-deformed algebra U$_q$(so$_4$) for $q$ a root of unity. Methods of Functional Analysis and Topology, [S. l.], v. 4, n. 3, p. 39–44, 1998. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/66. Acesso em: 19 dec. 2025.