TY - JOUR AU - Xiong, Zhiping AU - Qin, Yingying TI - Invariance properties of an operator product involving generalized inverses JO - The electronic journal of linear algebra PY - 2011 SP - 694 EP - 703 VL - 22 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELA_2011__22__a32/ LA - en ID - ELA_2011__22__a32 ER -