@article{10_1090_S0894_0347_02_00411_3,
     author = {Bourgain, Jean and Brezis, Ha\~A{\textasciimacron}m},
     title = {On the equation {\dh}‘‘{\dh}‘–{\dh}‘{\textsterling}{\dh}‘Œ={\dh}‘“ and application to control of phases},
     journal = {Journal of the American Mathematical Society},
     pages = {393--426},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2003},
     doi = {10.1090/S0894-0347-02-00411-3},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-02-00411-3/}
}