@Misc{ colgob10, author = { Colombo, Maria and Gobbino, Massimo }, title = { Slow time behavior of the semidiscrete Perona-Malik scheme in dimension one }, journal = { SIAM J. Math. Anal. }, year = { 2010 }, pages = { 42 }, URL = { http://cvgmt.sns.it/paper/148/ }, note = { cvgmt preprint} }