%0 Journal Article %A Martin J. Gander %A Laurence Halpern %A Caroline Japhet %A Veronique Martin %T Viscous Problems with Inviscid Approximations in Subregions: a New Approach Based on Operator Factorization %J ESAIM. Proceedings %D 2009 %P 272-288 %V 27 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/proc/2009032/ %R 10.1051/proc/2009032 %G en %F EP_2009_27_a15