TY - JOUR AU - Nicola Fusco AU - Vesa Julin TI - On the regularity of critical and minimal sets of a free interface problem JO - Interfaces and free boundaries PY - 2015 SP - 117 EP - 142 VL - 17 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4171/ifb/336/ DO - 10.4171/ifb/336 ID - 10_4171_ifb_336 ER -