@Misc{ PinSquVec16, author = { Pinamonti, Andrea and Squassina, Marco and Vecchi, Eugenio }, title = { Magnetic BV functions and the Bourgain-Brezis-Mironescu formula }, journal = { }, year = { 2016 }, pages = { }, URL = { http://cvgmt.sns.it/paper/3183/ }, note = { cvgmt preprint} }