@article{ELA_2005__13__a0,
     author = {Tian, Yongge and Takane, Yoshio},
     title = {Schur complements and {Banachiewicz-Schur} forms},
     journal = {The electronic journal of linear algebra},
     pages = {405--418},
     publisher = {mathdoc},
     volume = {13},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2005__13__a0/}
}