%0 Journal Article %A Eduardo V. Teixeira %T Uniqueness, symmetry and full regularity of free boundary in optimization problems with volume constraint %J Interfaces and free boundaries %D 2007 %P 133-148 %V 9 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/159/ %R 10.4171/ifb/159 %F 10_4171_ifb_159