1. Reductive derivations of local rings of characteristic p;Aramova;J. Algebra,1987
2. Singularities of quotients by vector fields in characteristic p;Aramova;Math. Ann.,1986
3. N. Bourbaki, Algèbre, Hermann, Paris, 1970 (Chapitres 1–3); Masson, Paris, 1981 (Chapitres 4–7).
4. Commutative Algebra;Bourbaki,1989
5. Cohen–Macaulay Rings;Bruns,1993