Higher Sobolev regularity for the fractional $p$-Laplace equation in the superquadratic case. Brasco, L. & Lindgren, E. Adv. Math., 304:300–354, 2017.
bibtex   
@article{MR3558212,
	Author = {Brasco, Lorenzo and Lindgren, Erik},
	Date-Added = {2019-11-12 20:42:03 +0100},
	Date-Modified = {2019-11-13 07:39:41 +0100},
	Fjournal = {Advances in Mathematics},
	Issn = {0001-8708},
	Journal = {Adv. Math.},
	Mrclass = {35R11 (35B65 35J70 35R09)},
	Mrnumber = {3558212},
	Mrreviewer = {Adam Kubica},
	Pages = {300--354},
	Title = {Higher {S}obolev regularity for the fractional {$p$}-{L}aplace equation in the superquadratic case},
	Volume = {304},
	Year = {2017},
	Bdsk-Url-1 = {https://doi-org.proxy.ub.umu.se/10.1016/j.aim.2016.03.039},
	Bdsk-Url-2 = {https://doi.org/10.1016/j.aim.2016.03.039}}

Downloads: 0