1. The structure of the Unit Group of Group Rings;Dennis,1977
2. The Theory of Groups;Hall,1976
3. The group of units of the integral group ring ZS3;Hughes;Canad. Math. Bull.,1972
4. Integral Matrices;Newman,1972
5. The units of the integral group ring ZD4;Milies;Bol. Soc. Mat. Brasil,1972