@Article{ SchShiSpe16, author = { Schikorra, Armin and Shieh, Tien-Tsan and Spector, Daniel }, title = { Regularity for a fractional $p$-Laplace equation }, journal = { Commun. Contemp. Math. }, year = { 2018 }, volume = { 20 }, number = { 1 }, pages = { 7 }, URL = { http://cvgmt.sns.it/paper/3145/ }, note = { cvgmt preprint} }