K. T. Amouzegar and T. D. Keskin, “A note on noncosingular lifting modules”, Ukr. Mat. Zhurn., vol. 64, no. 11, pp. 1572–1574, Nov. 2012, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2682