%0 Journal Article %A Bouclet, Jean-Marc %T Low Frequency Estimates for Long Range Perturbations in Divergence Form %J Canadian journal of mathematics %D 2011 %P 961-991 %V 63 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2011-022-9/ %R 10.4153/CJM-2011-022-9 %F 10_4153_CJM_2011_022_9