[1]
S. N. Chernikov, “Investigations of O. Yu Shmidt in the theory of infinite groups”, Ukr. Mat. Zhurn., vol. 23, no. 5, pp. 591–597, Sep. 1971, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8331