%0 Journal Article %A Sala, Marzio %T Analysis of two-level domain decomposition preconditioners based on aggregation %J ESAIM: Modélisation mathématique et analyse numérique %D 2004 %P 765-780 %V 38 %N 5 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an:2004038/ %R 10.1051/m2an:2004038 %G en %F M2AN_2004__38_5_765_0