H. H. Abbas and M. S. Mahdi, “THE CYCLIC DECOMPOSITION OF THE FACTOR GROUP CF(Dnh,Z)/R(Dnh) WHEN N IS AN ODD NUMBER”, Jour. Kufa Math. Comp., vol. 1, no. 1, pp. 65–80, Apr. 2010, doi: 10.31642/JoKMC/2018/010110.