%0 Journal Article %A Tian, Yongge %A Takane, Yoshio %T Schur complements and Banachiewicz-Schur forms %J The electronic journal of linear algebra %D 2005 %P 405-418 %V 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_2005__13__a0/ %G en %F ELA_2005__13__a0