BEKBAEV, U. D.; MUMINOV, K. K. On differential rational invariants of the classical motion groups of a vector space. Methods of Functional Analysis and Topology, [S. l.], v. 10, n. 3, p. 7–10, 2004. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/247. Acesso em: 18 dec. 2025.