@Article{ BeLeNaTo17, author = { Bergounioux, Ma\" \i tine and Leaci, Antonio and Nardi, Giacomo and Tomarelli, Franco }, title = { Fractional Sobolev Spaces and Functions of Bounded Variation of One Variable }, journal = { Fract. Calc. Appl. Anal. }, year = { 2017 }, doi = { 10.1515/fca-2017-0049 }, volume = { 20 }, number = { 4 }, pages = { 936-962 }, URL = { http://cvgmt.sns.it/paper/3574/ }, note = { cvgmt preprint} }