@article {1999, title = {Discrete approximation of the Mumford-Shah functional in dimension two}, journal = {M2AN 33 (1999) 651-672}, year = {1999}, publisher = {EDP Sciences}, doi = {10.1051/m2an:1999156}, url = {http://hdl.handle.net/1963/3588}, author = {Antonin Chambolle and Gianni Dal Maso} }