@Article{ ChaConIur17, author = { Chambolle, Antonin and Conti, Sergio and Iurlano, Flaviana }, title = { Approximation of functions with small jump sets and existence of strong minimizers of Griffith's energy }, journal = { J. Math. Pures Appl. }, year = { 2018 }, pages = { }, URL = { http://cvgmt.sns.it/paper/3599/ }, note = { cvgmt preprint} }