@article{BUMI_2004_8_7B_1_a1,
     author = {Francfort, Gilles and Murat, Fran\c{c}ois and Tartar, Luc},
     title = {Monotone operators in divergence form with $x$-dependent multivalued graphs},
     journal = {Bollettino della Unione matematica italiana},
     pages = {23--59},
     publisher = {mathdoc},
     volume = {Ser. 8, 7B},
     number = {1},
     year = {2004},
     zbl = {1115.35047},
     mrnumber = {390843},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2004_8_7B_1_a1/}
}