@Misc{ GioJesSil25, author = { Giovagnoli, Davide and Jesus, David and Silvestre, Luis }, title = { $C^{1+α}$ regularity for fractional $p$-harmonic functions }, journal = { }, year = { 2025 }, pages = { }, URL = { http://cvgmt.sns.it/paper/7328/ }, note = { cvgmt preprint} }