[1]
V. P. Shaptala, “Groups with the minimality condition for infinitely generated subgroups”, Ukr. Mat. Zhurn., vol. 46, no. 9, pp. 1280–1282, Sep. 1994, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5647