@article{10_4007_annals_2010_171_1347,
     author = {Jeff Cheeger and Bruce Kleiner},
     title = {Differentiating maps into $L^1$, and the geometry of $\rm BV$ functions},
     journal = {Annals of mathematics},
     pages = {1347--1385},
     publisher = {mathdoc},
     volume = {171},
     number = {2},
     year = {2010},
     doi = {10.4007/annals.2010.171.1347},
     mrnumber = {2630066},
     zbl = {1194.22009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2010.171.1347/}
}