References
- Bass , H. 1960 . Finitistic dimension and a homological generalization of semiprimary rings . Trans. Amer. Math. Soc. , 95 : 466 – 494 .
- Beattie , M. and Jespers , E. 1991 . On perfect graded rings . Comm. Algebra , 19 ( 8 ) : 2363 – 2371 .
- Cohen , M. and Rowen , L. 1983 . Group graded rings . Comm. Algebra , 11 ( 11 ) : 1253 – 1270 .
- Dăscălescu , S. , Năstăsescu , C. , Del Rio , A. and Van Oystaeyen , F. 1996 . Gradings of finite support. Applications to injective objects . J. Pure Appl. Algebra , 107 : 193 – 206 .
- Gabriel , P. 1962 . Des categories abeliennes . Bull. Soc. Math. France , 90 : 323 – 448 .
- Jensen , A. and Jondrup , S. 1991 . Smash product, group actions and group graded rings . Math. Scand. , 68 ( 2 ) : 161 – 170 .
- Menini , C. and Năstăsescu , C. 1990 . Gr-simple modules and gr-Jacobson radical. Aplications (I) . Bull. Math. de la Soc. Sci. Math. de Roumanie , 34 : 25 – 36 .
- Năstăsescu , C. 1989 . Smash product and applications to finiteness conditions . Rev. Roumaine Math. Pures Appl. , 34 : 825 – 837 .
- Năstăsescu , C. and Popescu , N. 1968 . Anneaux semi-artiniens . Bull. Soc. Math. France , 96 : 357 – 368 .
- Năstăsescu , C. and Van Oystaeyen , F. 1982 . Graded Ring Theory Amsterdam, , North Holland
- Năstăsescu , C. and Van Oystaeyen , F. Methods in Graded Rings Submitted
- Quinn , D. 1985 . Group graded rings and duality . Trans. Amer. Math. Soc. , 292 : 155 – 167 .
- Stenström , B. 1975 . Rings of Quotients New York : Springer-Verlag .