@article{10_4171_ifb_250,
     author = {Marina Ghisi and Massimo Gobbino},
     title = {On the evolution of subcritical regions for the {Perona{\textendash}Malik} equation},
     journal = {Interfaces and free boundaries},
     pages = {105--125},
     year = {2011},
     volume = {13},
     number = {1},
     doi = {10.4171/ifb/250},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/250/}
}