@article{JEMS_2014_16_2_a0,
     author = {Giovanni Alberti and Stefano Bianchini and Gianluca Crippa},
     title = {A uniqueness result for the continuity equation in two dimensions},
     journal = {Journal of the European Mathematical Society},
     pages = {201--234},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2014},
     doi = {10.4171/jems/431},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/431/}
}