%0 Journal Article %A Jone Apraiz %A Luis Escauriaza %A Gengsheng Wang %A C. Zhang %T Observability inequalities and measurable sets %J Journal of the European Mathematical Society %D 2014 %P 2433-2475 %V 16 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/490/ %R 10.4171/jems/490 %F JEMS_2014_16_11_a3