@article{JCA_2018_25_4_JCA_2018_25_4_a16,
     author = {A. Kroshnin},
     title = {Fr\'echet {Barycenters} in the {Monge-Kantorovich} {Spaces}},
     journal = {Journal of convex analysis},
     pages = {1371--1395},
     year = {2018},
     volume = {25},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JCA_2018_25_4_JCA_2018_25_4_a16/}
}