1. Solvability of groups of odd order;Feit;Pacific J. Math.,1963
2. The Current Situation in the Theory of Finite Simple Groups;Feit,1971
3. Zur Erweiterungs Theorie Englicher Gruppen;Gaschutz;J. Math.,1952
4. On solvable signalizer functors in finite groups;Glauberman,1976