@article{10_4171_ifb_172,
     author = {S\"oren Bartels and Andreas Prohl},
     title = {Stable discretization of scalar and constrained vectorial {Perona{\textendash}Malik} equation},
     journal = {Interfaces and free boundaries},
     pages = {431--453},
     year = {2007},
     volume = {9},
     number = {4},
     doi = {10.4171/ifb/172},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/172/}
}