%0 Journal Article
%A Chaumont-Frelet, Théophile
%A Verfürth, Barbara
%T A generalized finite element method for problems with sign-changing coefficients
%J ESAIM: Mathematical Modelling and Numerical Analysis 
%D 2021
%P 939-967
%V 55
%N 3
%I EDP-Sciences
%U https://www.numdam.org/articles/10.1051/m2an/2021007/
%R 10.1051/m2an/2021007
%G en
%F M2AN_2021__55_3_939_0