@Article{ belnovpao06, author = { Bellettini, Giovanni and Novaga, Matteo and Paolini, Maurizio and Tornese, Calogero }, title = { Convergence of discrete schemes for the Perona-Malik equation }, journal = { J. Differential Eqs. }, year = { 2008 }, volume = { 245 }, pages = { 892-924 }, URL = { http://cvgmt.sns.it/paper/228/ }, note = { cvgmt preprint} }