@Misc{ BuMaMaToVe22, author = { Buttazzo, Giuseppe and Maiale, Francesco Paolo and Mazzoleni, Dario and Tortone, Giorgio and Velichkov, Bozhidar }, title = { Regularity of the optimal sets for a class of integral shape functionals }, journal = { }, year = { 2022 }, pages = { }, URL = { http://cvgmt.sns.it/paper/5836/ }, note = { cvgmt preprint} }