@article{AIHPC_2012__29_2_217_0,
     author = {Takatsu, Asuka},
     title = {Wasserstein geometry of porous medium equation},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {217--232},
     publisher = {Elsevier},
     volume = {29},
     number = {2},
     year = {2012},
     doi = {10.1016/j.anihpc.2011.10.003},
     mrnumber = {2901195},
     zbl = {1276.35106},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2011.10.003/}
}