中国科学院数学与系统科学研究院期刊网
On the Block Independence in G-Inverse and Reflexive Inner Inverse of A Partitioned Matrix
Yong Hui LIU, Mu Sheng WEI
Acta Mathematica Sinica . 2007, (4): 723 -730 .  DOI: 10.1007/s10114-005-0787-y