1.
Artemovich OD. On locally graded groups with minimality condition for a certain system of nonhypercentral subgroups. Ukr. Mat. Zhurn. [Internet]. 1999Oct.25 [cited 2024Sep.1];51(10):1425–1430. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4742