TY - JOUR AU - Eduardo V. Teixeira TI - Uniqueness, symmetry and full regularity of free boundary in optimization problems with volume constraint JO - Interfaces and free boundaries PY - 2007 SP - 133 EP - 148 VL - 9 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4171/ifb/159/ DO - 10.4171/ifb/159 ID - 10_4171_ifb_159 ER -