@article{COCV_2012__18_1_181_0,
     author = {De Philippis, Guido},
     title = {Weak notions of jacobian determinant and relaxation},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {181--207},
     publisher = {EDP-Sciences},
     volume = {18},
     number = {1},
     year = {2012},
     doi = {10.1051/cocv/2010047},
     mrnumber = {2887932},
     zbl = {1242.49025},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv/2010047/}
}