@article{PORMA_1982__41_1-4_115493,
     author = {Duvaut, G.},
     title = {Effective and homogenized coefficients},
     journal = {Portugaliae mathematica},
     pages = {189--198},
     publisher = {mathdoc},
     volume = {41},
     number = {1-4},
     year = {1982},
     mrnumber = {0766849},
     zbl = {0549.73013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1982__41_1-4_115493/}
}