TY - JOUR AU - Paolo Tilli TI - On a constrained variational problem with an arbitrary number of free boundaries JO - Interfaces and free boundaries PY - 2000 SP - 201 EP - 212 VL - 2 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4171/ifb/18/ DO - 10.4171/ifb/18 ID - 10_4171_ifb_18 ER -