@article{JEMS_2006_8_3_a0,
     author = {Alessio Brancolini and Giuseppe Buttazzo and Filippo Santambrogio},
     title = {Path {Functionals} over {Wasserstein} {Spaces}},
     journal = {Journal of the European Mathematical Society},
     pages = {415--434},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {2006},
     doi = {10.4171/jems/61},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/61/}
}