@article{PS_2018__22__35_0,
     author = {Bigot, J\'er\'emie and Klein, Thierry},
     title = {Characterization of barycenters in the {Wasserstein} space by averaging optimal transport maps},
     journal = {ESAIM: Probability and Statistics},
     pages = {35--57},
     publisher = {EDP-Sciences},
     volume = {22},
     year = {2018},
     doi = {10.1051/ps/2017020},
     mrnumber = {3872127},
     zbl = {1409.62049},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ps/2017020/}
}