[1] Dibaei M T, Tousi M. The structure of dualizing complex for a ring which is (S2). J Math Kyoto Univ,
1998, 38: 503-516

[2] Fossum R M. The structure of indecomposable injective modules. Math Scand, 1975, 36: 291-312

[3] Kaplansky I. Commutative Rings. Boston, Mass: Allyn and Bacon Inc, 1970

[4] Kucera T G. Explicit descriptions of injective envelopes: Generalizations of a result of Northcott. Comm
Algebra, 1989, 17: 2703-2715

[5] Matlis E. Injective modules over noetherian rings. Paci¯c J Math, 1958, 8: 511-528

[6] Matsumura H. Commutative Ring Theory. Cambridge Studies in Advanced Mathematics, 8. Cambridge:
Cambridge University Press, 1986

[7] Northcott D G. Injective envelopments and inverse polynomials. J London Math Soc, 1974, 8: 290-296

[8] Sharpe D W, V¶amos P. Injective Modules. Cambridge Tracts in Mathematics and Mathematical Physics,
No 62. London, New York: Cambridge University Press, 1972

[9] Song Y M. Generalized fractions, galois theory and injective envelopes of simple modules over polynomial
rings. J Korean Math Soc, 1995, 32: 265-277

[10] Zakeri H. Action of certain groups on modules of generalized fractions. Bull Iran Math Soc, 1994, 20: 1-18