@Article{ BraConGar16, author = { Braides, Andrea and Conti, Sergio and Garroni, Adriana }, title = { Density of polyhedral partitions }, journal = { Calc. Var. Partial Diff. Equations }, year = { 2017 }, doi = { 10.1007/s00526-017-1108-x }, volume = { 56 }, number = { 2 }, pages = { 10 }, URL = { http://cvgmt.sns.it/paper/3166/ }, note = { cvgmt preprint} }