@article{GT_2010_14_4_a14,
     author = {Sorrentino, Alfonso and Viterbo, Claude},
     title = {Action minimizing properties and distances on the group of {Hamiltonian} diffeomorphisms},
     journal = {Geometry & topology},
     pages = {2383--2403},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2010},
     doi = {10.2140/gt.2010.14.2383},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2010.14.2383/}
}