@article{ELA_2010__21__a5,
     author = {Deng, Chunyuan and Wei, Yimin},
     title = {Perturbation of the generalized {Drazin} inverse},
     journal = {The electronic journal of linear algebra},
     pages = {85--97},
     publisher = {mathdoc},
     volume = {21},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2010__21__a5/}
}