ARUTYUNOV, A. A.; ZHUKOVSKIY, S. E. Existence of the \(N\)-th Root in Finite-Dimensional Power-Associative Algebras over Reals. Eurasian Mathematical Journal, [S. l.], v. 8, n. 3, p. 28–35, 2017. Disponível em: https://emj.enu.kz/index.php/main/article/view/668. Acesso em: 18 sep. 2025.