Dashkova, O. Yu. “On One Class of Modules over Integer Group Rings of Locally Solvable Groups”.
Ukrains’kyi Matematychnyi Zhurnal
, vol. 61, no. 1, Jan. 2009, pp. 44-51,
https://umj.imath.kiev.ua/index.php/umj/article/view/2999
.