%0 Journal Article %A Mora, Maria Giovanna %A Morini, Massimiliano %T Local calibrations for minimizers of the Mumford-Shah functional with a regular discontinuity set %J Annales de l'I.H.P. Analyse non linéaire %D 2001 %P 403-436 %V 18 %N 4 %I Elsevier %U http://www.numdam.org/item/AIHPC_2001__18_4_403_0/ %G en %F AIHPC_2001__18_4_403_0