@article{COCV_2016__22_1_169_0,
     author = {Craig, Katy},
     title = {The exponential formula for the wasserstein metric},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {169--187},
     publisher = {EDP-Sciences},
     volume = {22},
     number = {1},
     year = {2016},
     doi = {10.1051/cocv/2014069},
     zbl = {1338.47071},
     mrnumber = {3489381},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv/2014069/}
}