TY - JOUR AU - Giovanni Bellettini AU - Giuseppe Riey AU - Matteo Novaga TI - First variation of anisotropic energies and crystalline mean curvature of partitions JO - Interfaces and free boundaries PY - 2003 SP - 331 EP - 356 VL - 5 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4171/ifb/82/ DO - 10.4171/ifb/82 ID - 10_4171_ifb_82 ER -