@article{BUMI_2005_8_8B_1_a10,
     author = {Fonseca, Irene and Fusco, Nicola and Marcellini, Paolo},
     title = {Topological degree, {Jacobian} determinants and relaxation},
     journal = {Bollettino della Unione matematica italiana},
     pages = {187--250},
     publisher = {mathdoc},
     volume = {Ser. 8, 8B},
     number = {1},
     year = {2005},
     zbl = {1177.49066},
     mrnumber = {1972867},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2005_8_8B_1_a10/}
}