@article{ELA_2011__22__a47,
     author = {Liu, Xiaoji and Wu, Lingling and Benitez, Julio},
     title = {On the group inverse of linear combinations of two group invertible matrices},
     journal = {The electronic journal of linear algebra},
     pages = {490--503},
     publisher = {mathdoc},
     volume = {22},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2011__22__a47/}
}