%0 Journal Article %J SIAM Journal on Scientific and Statistical ComputingSIAM J. Sci. and Stat. Comput. %D 1989 %T Approximate Schur Complement Preconditioners on Serial and Parallel Computers %A Elman, Howard %B SIAM Journal on Scientific and Statistical ComputingSIAM J. Sci. and Stat. Comput. %V 10 %P 581 - 581 %8 1989/// %@ 01965204 %G eng %U http://link.aip.org/link/SJOCE3/v10/i3/p581/s1&Agg=doi %N 3 %R 10.1137/0910037