%0 Journal Article %A Manuel Friedrich %A Wojciech Górny %A Ulisse Stefanelli %T The double-bubble problem on the square lattice %J Interfaces and free boundaries %D 2024 %P 79-134 %V 26 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/510/ %R 10.4171/ifb/510 %F 10_4171_ifb_510