1. Theory of Groups of Finite Order;Burnside,1911
2. Irreducibly represented groups;Bekka;Comment. Math. Helv.,2008
3. Characters of Finite Groups. Part 1;Berkovich,1998
4. Eine Bemerkung über die multiplikative Gruppe eines Kürpers;Cohn;Arch. Math.,1962
5. Finite Soluble Groups;Doerk,1992