ELA articles which reference this paper are

Chunyuan Deng; Yimin Wei
Perturbation of the generalized Drazin inverse,
Electron. J. Linear Algebra 21 (2010/2011), 85-97.

N. Castro-Gonzalez
Group inverse of modified matrices over an arbitrary ring.
Electron. J. Linear Algebra 26 (2013) pp. 201-214.