中国科学院数学与系统科学研究院期刊网
Representation for the Drazin Inverse of the Sum of Bounded Linear Operators
Dan ZHAO, Hua WANG, Jun Jie HUANG
Acta Mathematica Sinica, Chinese Series . 2017, (6): 1047 -1056 .  DOI: 10.12386/A2017sxxb0091