@Article{ belnovpao00a, author = { Bellettini, Giovanni and Novaga, Matteo and Paolini, Maurizio }, title = { Characterization of facet--breaking for nonsmooth mean curvature flow in the convex case }, journal = { Interfaces and Free Boundaries }, year = { 2001 }, volume = { 3 }, pages = { 415-446 }, URL = { http://cvgmt.sns.it/paper/1305/ }, note = { cvgmt preprint} }