@article{JEMS_2007_9_2_a3,
     author = {Jean Bourgain and Ha{\"\i}m Brezis},
     title = {New estimates for elliptic equations and {Hodge} type systems},
     journal = {Journal of the European Mathematical Society},
     pages = {277--315},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {2007},
     doi = {10.4171/jems/80},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/80/}
}