[1]
S. A. Dovzhenko, “On the Chernikova theorem on well-factorizable groups”, Ukr. Mat. Zhurn., vol. 51, no. 6, pp. 854–855, Jun. 1999, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4673