Group inverse for the block matrix with two identical subblocks over skew fields. Zhao, Jiemei; Bu, Changjiang — 2010 ELA. The Electronic Journal of Linear Algebra [electronic only]
Some results on the group inverse for block matrices over skew fields. Bu, Changjiang; Zhao, Jiemei; Zhang, Kuize — 2009 ELA. The Electronic Journal of Linear Algebra [electronic only]