@article{10_4171_ifb_372,
     author = {Kevin Sturm},
     title = {A structure theorem for shape functions defined on submanifolds},
     journal = {Interfaces and free boundaries},
     pages = {523--543},
     year = {2016},
     volume = {18},
     number = {4},
     doi = {10.4171/ifb/372},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/372/}
}