@article{JEP_2016__3__67_0,
     author = {McCann, Robert J. and Rifford, Ludovic},
     title = {The intrinsic dynamics of optimal transport},
     journal = {Journal de l{\textquoteright}\'Ecole polytechnique - Math\'ematiques},
     pages = {67--98},
     publisher = {ole polytechnique},
     volume = {3},
     year = {2016},
     doi = {10.5802/jep.29},
     mrnumber = {3477865},
     zbl = {1364.49060},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jep.29/}
}