%0 Journal Article %A Giovanni Bellettini %A Giuseppe Riey %A Matteo Novaga %T First variation of anisotropic energies and crystalline mean curvature of partitions %J Interfaces and free boundaries %D 2003 %P 331-356 %V 5 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/82/ %R 10.4171/ifb/82 %F 10_4171_ifb_82