1.
Arzhantsev IV, Petravchuk AP. Closed polynomials and saturated subalgebras of polynomial algebras. Ukr. Mat. Zhurn. [Internet]. 2007Dec.25 [cited 2024Nov.24];59(12):1587–1593. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3414