@article{AIHPC_2014__31_3_567_0,
     author = {Daneri, Sara and Pratelli, Aldo},
     title = {Smooth approximation of {bi-Lipschitz} orientation-preserving homeomorphisms},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {567--589},
     publisher = {Elsevier},
     volume = {31},
     number = {3},
     year = {2014},
     doi = {10.1016/j.anihpc.2013.04.007},
     mrnumber = {3208455},
     zbl = {1348.37071},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2013.04.007/}
}