%0 Journal Article %A Patrick Ciarlet %A Christian Stohrer %T Finite-element heterogeneous multiscale method for the Helmholtz equation %J Comptes Rendus. Mathématique %D 2014 %P 755-760 %V 352 %N 9 %I Elsevier %R 10.1016/j.crma.2014.07.006 %G en %F CRMATH_2014__352_9_755_0