Kurdachenko L, Pypka A, Subbotin I. On some reciprocal relations between the factors of the upper and lower central series in Lie algebras . Dopov. Nac. akad. nauk Ukr. [Internet]. 2015 May 28 [cited 2026 Jun. 20];(5):21-5. Available from: https://nasu-periodicals.org.ua/index.php/dp/article/view/14970