Wehrfritz, B. A. F. “Finitary Groups and Krull Dimension over the Integers”. Ukrains’kyi Matematychnyi Zhurnal 58, no. 10 (October 25, 2006): 1310–1325. Accessed April 19, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3534.