Y. Wang and H. Wei, “c * -Supplemented subgroups and p -nilpotency of finite groups”, Ukr. Mat. Zhurn., vol. 59, no. 8, pp. 1011–1019, Aug. 2007, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3364