Ercan, G., and Ş. Güloğlu. “A Short Note on the Noncoprime Regular Module Problem”. Ukrains’kyi Matematychnyi Zhurnal 72, no. 11 (November 20, 2020): 1589–1592. Accessed December 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/6028.