%0 Journal Article %A Erik Burman %T The elliptic Cauchy problem revisited: Control of boundary data in natural norms %J Comptes Rendus. Mathématique %D 2017 %P 479-484 %V 355 %N 4 %I Elsevier %R 10.1016/j.crma.2017.02.014 %G en %F CRMATH_2017__355_4_479_0