@article{COCV_2004__10_1_99_0, author = {Briancon, Tanguy}, title = {Regularity of optimal shapes for the {Dirichlet's} energy with volume constraint}, journal = {ESAIM: Control, Optimisation and Calculus of Variations}, pages = {99--122}, publisher = {EDP-Sciences}, volume = {10}, number = {1}, year = {2004}, doi = {10.1051/cocv:2003038}, zbl = {1118.35078}, language = {en}, url = {http://www.numdam.org/articles/10.1051/cocv:2003038/} }