SemkoN. N. and ChupordyaV. A. (2007) “On Schur classes for modules over group rings”, Ukrains’kyi Matematychnyi Zhurnal, 59(9), pp. 1261–1268. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3386 (Accessed: 1September2024).