@Article{ DeLFocRuf13, author = { De Lellis, Camillo and Focardi, Matteo and Ruffini, Berardo }, title = { A note on the Hausdorff dimension of the singular set for minimizers of the Mumford-Shah energy }, journal = { Adv. Calc. Var. }, year = { 2014 }, doi = { 10.1515/ acv-2013-0107 }, volume = { 7 }, number = { 4 }, pages = { 539-545 }, URL = { http://cvgmt.sns.it/paper/2178/ }, note = { cvgmt preprint} }