R. Y. Evstaf’ev, “Artinian rings with nilpotent adjoint group”, Ukr. Mat. Zhurn., vol. 58, no. 3, pp. 417–426, Mar. 2006, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3464