@article{COCV_2011__17_3_682_0,
     author = {L\'eonard, Christian},
     title = {A saddle-point approach to the {Monge-Kantorovich} optimal transport problem},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {682--704},
     publisher = {EDP-Sciences},
     volume = {17},
     number = {3},
     year = {2011},
     doi = {10.1051/cocv/2010013},
     mrnumber = {2826975},
     zbl = {1234.46058},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv/2010013/}
}