@article{10_4171_ifb_98,
     author = {Paola Pozzi},
     title = {The discrete {Douglas} {Problem:} theory and numerics},
     journal = {Interfaces and free boundaries},
     pages = {219--252},
     year = {2004},
     volume = {6},
     number = {2},
     doi = {10.4171/ifb/98},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/98/}
}