@Misc{ BucFraGia18a, author = { Bucur, Dorin and FragalĂ , Ilaria and Giacomini, Alessandro }, title = { Local minimality results for the Mumford-Shah functional via monotonicity }, journal = { }, year = { 2018 }, pages = { }, URL = { http://cvgmt.sns.it/paper/4064/ }, note = { cvgmt preprint} }