@article{AMI_2012_39_a6,
     author = {J\'ozsef Fritz},
     title = {Compensated compactness and relaxation at the microscopic level},
     journal = {Annales mathematicae et informaticae},
     pages = {83--108},
     publisher = {mathdoc},
     volume = {39},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMI_2012_39_a6/}
}