@Misc{ DeHiMaSpSt21, author = { De Lellis, Camillo and Hirsch, Jonas and Marchese, Andrea and Spolaor, Luca and Stuvard, Salvatore }, title = { Area minimizing hypersurfaces modulo $p$: a geometric free-boundary problem }, journal = { }, year = { 2021 }, pages = { }, URL = { http://cvgmt.sns.it/paper/5137/ }, note = { cvgmt preprint} }