中国科学院数学与系统科学研究院期刊网
Weak Cancellation of Modules and Weakly Stable Range Conditions for Exchange Rings
Qi Sheng LI(1),Wen Ting TONG(2
Acta Mathematica Sinica, Chinese Series . 2002, (6): 1121 -112 .  DOI: 10.12386/A2002sxxb0145