%0 Journal Article %A Carlson, David %A Markham, Thomas L. %T Schur complements of diagonally dominant matrices %J Czechoslovak Mathematical Journal %D 1979 %P 246-251 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1979.101601/ %R 10.21136/CMJ.1979.101601 %G en %F 10_21136_CMJ_1979_101601