%0 Journal Article %A Matsuura, Masaya %T A generalization of Moore-Penrose biorthogonal systems %J The electronic journal of linear algebra %D 2003 %P 146-154 %V 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_2003__10__a14/ %G en %F ELA_2003__10__a14