@article{JEMS_2017_19_2_a4,
     author = {Tadeusz Iwaniec and Jani Onninen},
     title = {Limits of {Sobolev} homeomorphisms},
     journal = {Journal of the European Mathematical Society},
     pages = {473--505},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {2017},
     doi = {10.4171/jems/671},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/671/}
}