@Misc{ DePFig13, author = { De Philippis, Guido and Figalli, Alessio }, title = { Higher integrability for minimizers of the Mumford-Shah functional }, journal = { Arch. Ration. Mech. Anal. }, year = { 2013 }, pages = { }, URL = { http://cvgmt.sns.it/paper/2111/ }, note = { cvgmt preprint} }