%0 Journal Article %A Xiong, Zhiping %A Qin, Yingying %T Invariance properties of an operator product involving generalized inverses %J The electronic journal of linear algebra %D 2011 %P 694-703 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_2011__22__a32/ %G en %F ELA_2011__22__a32