@Article{ belboufra98, author = { Bellettini, Giovanni and Bouchitté, Guy and Fragalà, Ilaria }, title = { BV Functions with Respect to a Measure and Relaxation of Metric Integral Functionals }, journal = { J. Convex Anal. }, year = { 2000 }, volume = { 6 }, number = { 2 }, pages = { 349-366 }, URL = { http://cvgmt.sns.it/paper/81/ }, note = { cvgmt preprint} }