@article{10_4171_ifb_196,
     author = {A.C.G. Mennucci and A. Yezzi and G. Sundaramoorthi},
     title = {Properties of {Sobolev-type} metrics in the space of curves},
     journal = {Interfaces and free boundaries},
     pages = {423--445},
     year = {2008},
     volume = {10},
     number = {4},
     doi = {10.4171/ifb/196},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/196/}
}