Посилання:Serial group rings of finite groups. General linear and close groups / A. Kukharev, G. Puninski // Algebra and Discrete Mathematics. — 2015. — Vol. 20, № 1. — С. 115-125. — Бібліогр.: 22 назв. — англ.
Підтримка:The authors are grateful to Alexandre Zalesski for a helpful discussion. The researchof the first author was supported by BRFFI grant F15RM-025.