中国科学院数学与系统科学研究院期刊网
AMS
The Quotient Category of a Graded Morita–Takeuchi Context
F. Castaño Iglesias*, C. N?st?sescu**
Acta Mathematica Sinica . 2006, (1): 123 -130 .  DOI: 10.1007/s10114-004-0501-5