1. C. Bănică, O. Stănăşilă, Algebraic Methods in the Global Theory of Complex Spaces, Wiley, London, 1976.
2. On the ubiquity of Gorenstein rings;Bass;Math. Z.,1963
3. Asymptotic stablity of Ass(M/InM);Brodmann;Proc. Amer. Math. Soc.,1979
4. M.P. Brodmann, R.Y. Sharp, Local Cohomology: an Algebraic Introduction with Geometric Applications, Cambridge University Press, Cambridge, 1998.
5. W. Bruns, J. Herzog, Cohen-Macaulay Rings, Cambridge University Press, Cambridge, 1993.