TY  - JOUR
AU  - Burgess, W. D.
AU  - Saorín, Manuel
TI  - Homological Aspects of Semigroup Gradings on Rings and Algebras
JO  - Canadian journal of mathematics
PY  - 1999
SP  - 488
EP  - 505
VL  - 51
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1999-022-5/
DO  - 10.4153/CJM-1999-022-5
ID  - 10_4153_CJM_1999_022_5
ER  -