中国科学院数学与系统科学研究院期刊网
The Maximal Graded Left Quotient Algebra of a Graded Algebra1)
Gonzalo Aranda Pino, Mercedes Siles Molina,
Acta Mathematica Sinica . 2006, (1): 261 -270 .  DOI: 10.1007/s10114-005-0622-5