@article{COCV_2018__24_4_1345_0, author = {Le Bris, Claude and Legoll, Fr\'ed\'eric and Lemaire, Simon}, title = {On the best constant matrix approximating an oscillatory matrix-valued coefficient in divergence-form operators}, journal = {ESAIM: Control, Optimisation and Calculus of Variations}, pages = {1345--1380}, publisher = {EDP-Sciences}, volume = {24}, number = {4}, year = {2018}, doi = {10.1051/cocv/2017061}, zbl = {1419.35020}, mrnumber = {3922435}, language = {en}, url = {http://archive.numdam.org/articles/10.1051/cocv/2017061/} }