@article{NUMA_1980__36_132694,
     author = {J. Duchon and R. Robert and P. Witomski},
     title = {Probl\`eme de {Dirichlet} dans l'image {Bilipschitzienne} d'un demi-espace.},
     journal = {Numerische Mathematik},
     pages = {129--150},
     publisher = {mathdoc},
     volume = {36},
     year = {1980},
     zbl = {0462.65063},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1980__36_132694/}
}