Gubareni, N.M., Dokuchaev, M.A. and Kirichenko, V.V. (2010) “Semiperfect ipri-rings and right Bézout rings”, Ukrains’kyi Matematychnyi Zhurnal, 62(5), pp. 612–624. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2892 (Accessed: 6 December 2025).