中国科学院数学与系统科学研究院期刊网
On the Drazin Inverse of Linear Combinations Associated with Two Idempotents
Wuyunzhaola, Alatancang, Guo Jun HAI
Acta Mathematica Sinica, Chinese Series . 2016, (3): 369 -376 .  DOI: 10.12386/A2016sxxb0035