%0 Journal Article %A Bjorn Poonen %T Insufficiency of the Brauer-Manin obstruction applied to étale covers %J Annals of mathematics %D 2010 %P 2157-2169 %V 171 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2010.171.2157/ %R 10.4007/annals.2010.171.2157 %G en %F 10_4007_annals_2010_171_2157