@article{COCV_2020__26_1_A6_0, author = {Piontek, Sebastian and Schmidt, Thomas}, title = {Higher integrability for the gradient of {Mumford-Shah} \protect\emph{almost}-minimizers}, journal = {ESAIM: Control, Optimisation and Calculus of Variations}, publisher = {EDP-Sciences}, volume = {26}, year = {2020}, doi = {10.1051/cocv/2019063}, mrnumber = {4062159}, zbl = {1439.49070}, language = {en}, url = {http://archive.numdam.org/articles/10.1051/cocv/2019063/} }