@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/} }