%0 Journal Article %A Ibrahim Cheddadi %A Radek Fučík %A Mariana I. Prieto %A Martin Vohralík %T Computable a posteriori error estimates in the finite element method based on its local conservativity: improvements using local minimization %J ESAIM. Proceedings %D 2008 %P 77-96 %V 24 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/proc:2008031/ %R 10.1051/proc:2008031 %G en %F EP_2008_24_a6