@article{AIHPC_2021__38_1_61_0,
     author = {Bouchitt\'e, Guy and Buttazzo, Giuseppe and Champion, Thierry and De Pascale, Luigi},
     title = {Relaxed multi-marginal costs and quantization effects},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {61--90},
     publisher = {Elsevier},
     volume = {38},
     number = {1},
     year = {2021},
     doi = {10.1016/j.anihpc.2020.06.004},
     mrnumber = {4200477},
     zbl = {1461.49046},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2020.06.004/}
}