1. The J-normalizers of a finite soluble group;Carter;J. Algebra,1967
2. Praefrattinigruppen;Gaschütz;Arch. Math.,1962
3. Formations and relative J-normalizers;Gillam,1970
4. A note on system normalizers of a finite soluble group;Hawkes,1966
5. Analogues of prefrattini subgroups;Hawkes,1965