@book{AST_2001__274__R1_0, author = {Bonnet, Alexis and David, Guy}, title = {Cracktip is a global {Mumford-Shah} minimizer}, series = {Ast\'erisque}, publisher = {Soci\'et\'e math\'ematique de France}, number = {274}, year = {2001}, zbl = {1014.49009}, mrnumber = {1864620}, language = {en}, url = {http://archive.numdam.org/item/AST_2001__274__R1_0/} }