1.
Bodnarchuk YV, Prokof’ev PH. Locally nilpotent derivations and Nagata-type utomorphisms of a polynomial algebra. Ukr. Mat. Zhurn. [Internet]. 2009 Aug. 25 [cited 2025 Dec. 5];61(8):1011-24. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3077