%0 Journal Article %A Zivari-Rezapour, Mohsen %A Liu, Yichen %A Emamizadeh, Behrouz %T A formula for the sum of $n$ weak$^\star $ closed sets in $L^\infty $ %J Comptes Rendus. Mathématique %D 2023 %P 1635-1639 %V 361 %N G10 %I Académie des sciences, Paris %U http://geodesic.mathdoc.fr/articles/10.5802/crmath.520/ %R 10.5802/crmath.520 %G en %F CRMATH_2023__361_G10_1635_0