1. Localization and ideal theory in iterated differential operator rings;Bell;J. Algebra,1987
2. Localization and ideal theory in Noetherian strongly group-graded rings;Bell;J. Algebra,1987
3. Ore sets in Noetherian rings;Brown,1985
4. The structure of modules over polycyclic groups;Brown,1981
5. Localisation, bimodules and injective modules for enveloping algebras of solvable Lie algebras;Brown;Bull. Sci. Math. (2),1983