@article{Ciarlet_2018,
title={Localization of global norms and robust a posteriori error control for transmission problems with sign-changing coefficients},
volume={52},
ISSN={1290-3841},
url={http://dx.doi.org/10.1051/m2an/2018034},
DOI={10.1051/m2an/2018034},
number={5},
journal={ESAIM: Mathematical Modelling and Numerical Analysis},
publisher={EDP Sciences},
author={Ciarlet,
Patrick and Vohralík,
Martin},
year={2018},
month=sep,
pages={2037–2064} }