@Article{ MaMaStTi18, author = { Marchese, Andrea and Massaccesi, Annalisa and Stuvard, Salvatore and Tione, Riccardo }, title = { A multi-material transport problem with arbitrary marginals }, journal = { Calc. Var. Partial Differential Equations }, year = { 2021 }, doi = { https://doi.org/10.1007/s00526-021-01967-x }, volume = { 60 }, number = { 88 }, pages = { 1-49 }, URL = { http://cvgmt.sns.it/paper/3987/ }, note = { cvgmt preprint} }