@Article{ CuFoLeMa19, author = { Cupini, Giovanni and Focardi, Matteo and Leonetti, Francesco and Mascolo, Elvira }, title = { On the H\"older continuity for a class of vectorial problems }, journal = { Adv. Nonlinear Anal. }, year = { 2020 }, volume = { 9 }, pages = { 1008-1025 }, URL = { http://cvgmt.sns.it/paper/4329/ }, note = { cvgmt preprint} }