@Misc{ BoBrLeVe17, author = { Bousquet, Pierre and Brasco, Lorenzo and Leone, Chiara and Verde, Anna }, title = { On the Lipschitz character of orthotropic $p-$harmonic functions }, journal = { Calc. Var. Partial Differential Equations }, year = { 2017 }, pages = { 34 }, URL = { http://cvgmt.sns.it/paper/3402/ }, note = { cvgmt preprint} }