@article{CRMATH_2017__355_4_472_0, author = {Assyr Abdulle and Martin E. Huber and Simon Lemaire}, title = {An optimization-based numerical method for diffusion problems with sign-changing coefficients}, journal = {Comptes Rendus. Math\'ematique}, pages = {472--478}, publisher = {Elsevier}, volume = {355}, number = {4}, year = {2017}, doi = {10.1016/j.crma.2017.02.010}, language = {en}, }