Hitchhiker’s guide to the fractional Sobolev spaces
(with E. Di Nezza and E. Valdinoci), Bull. Sci. math., 136 (2012), No. 5, 521--573.
Hitchhiker’s guide to the fractional Sobolev spaces
(with E. Di Nezza and E. Valdinoci), Bull. Sci. math., 136 (2012), No. 5, 521--573.