References
- Ahsan , J. and Enochs , E. E. 1984 . Torsion free injective covers . Comm. Algebra , 12 ( 9 ) : 1139 – 1146 .
- Asensio , M. J. , Van den Bergh , M. and Van Oystaeyen , F. 1989 . A new algebraic approach to microlocalization of filtered rings . Trans. Amer. Math. Soc. , 316 ( 2 ) : 537 – 555 .
- Asensio , M. J. , López Ramos , J. A. and Torrecillas , B. 1998 . Gorenstein gr-injective and gr-projective modules . Comm. Algebra , 26 ( 1 ) : 225 – 240 .
- Asensio , M. J. , López Ramos , J. A. and Torrecillas , B. 1999 . Covers and envelopes over gr-Gorenstein rings . J. Algebra , 215 : 437 – 459 .
- Auslander , M. 1966/67 . “ Anneaux de Gorenstein et torsion en algèbre commutative ” . In In: sèminaire d'algèbre commutative. “Ecole Normale Supèrieure de Jeunes Filles.” Paris : Springer-Verlag .
- Auslander , M. and Buchweitz , R. 1989 . The Homological theory of maximal cohen-macaulay approximations . Soc. Math. de France, Memoire , 38 : 5 – 37 .
- Björk , J. E. 1989 . “ The Auslander condition on noetherian rings ” . In Séminaire d'Algèbre Paul Dubreil et Marie-Paul Malliavin, Paris, 1987-88 , Lecture Notes in Math. Edited by: Dold , A. , Eckmann , B. and Takens , F. Vol. 1404 , 137 – 173 . Berlin : Springer-Verlag .
- Christensen , L. W. 2000 . Gorenstein dimensions , Lecture Notes in Math. 1747 Berlin : Springer-Verlag .
- Ekström , E. K. 1989 . “ The Auslander condition on graded and filtered noetherian rings ” . In Séminaire d'Algèbre Paul Dubreil et Marie-Paul Malliavin, Paris, 1987-88 , Lecture Notes in Math. Edited by: Dold , A. , Eckmann , B. and Takens , F. 220 – 245 . Berlin : Springer-Verlag .
- Enochs , E. E. and Jenda , O. M. G. 1995 . Gorenstein injective and projective modules . Math Z. , 220 : 611 – 633 .
- Enochs , E. E. , Herzog , I. and Park , S. 1999 . Cyclic quiver rings and polycyclic-by-finite group rings . Houston J. Math. , 25 : 1 – 13 .
- Enochs , E. E. and Jenda , O. M. G. 2000 . Relative Homological Algebra Berlin, New York : De Gruyter .
- Enochs , E. E. and López Ramos , J. A. 2001 . Graded Matlis duality and applications to covers . Quaest. Math. , 24 ( 4 ) : 555 – 564 .
- Foxby , H.B. Gorenstein dimension over Cohen-Macaulay rings . Proceedings of international conference on commutative algebra . Edited by: Bruns , W. Universität Onsabrück .
- Li Huishi and Van Oystaeyen , F. 1996 . Zariskian Filtrations , K-monographs in Mathematics The Netherlands : Kluwer Academic Publishers .
- Nastasescu , C. and Van Oystaeyen , F. 1982 . Graded Ring Theory , North-Holland Math. Library Vol. 28 , Amsterdam, New York, Oxford : North-Holland Publishing Company .
- Stenström , B. 1975 . Rings of Quotients New York : Springer-Verlag .