1. On conjugacy classes of p-elements;Alperin;J. Algebra,1971
2. The Hasse norm principle for algebraic number fields;Drakokhrust;Izv. Akad. Nauk SSSR,1986
3. Relative Brauer groups II;Fein;J. Reine Angew. Math.,1981
4. Solvability of groups of odd order;Feit;Pacific J. Math.,1963
5. Solitary Galois extensions of algebraic number fields;Guralnick;J. Number Theory,1995